131

131 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 131 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

131 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 131:

131

See below for interesting mathematical facts about the number 131 from the Numbermatics database.


Names of 131

  • Cardinal: 131 can be written as One hundred thirty-one.

Scientific notation

  • Scientific notation: 1.31 × 102

Factors of 131

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 131

Divisors of 131

  • Number of divisors d(n): 2
  • Complete list of divisors:
    1 131
  • Sum of all divisors σ(n): 132
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 131 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 130

Bases of 131

  • Binary: 100000112
  • Hexadecimal: 0x83
  • Base-36: 3N

Squares and roots of 131

  • 131 squared (1312) is 17161
  • 131 cubed (1313) is 2248091
  • The square root of 131 is 11.4455231423
  • The cube root of 131 is 5.0787530781

Scales and comparisons

How big is 131?
  • 131 seconds is equal to 2 minutes, 11 seconds.
  • To count from 1 to 131 would take you about five seconds.

    This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

  • A cube with a volume of 131 cubic inches would be around 0.4 feet tall.

Recreational maths with 131

  • 131 is the same when its digits are reversed! That makes it a palindromic prime number.
  • The number of decimal digits it has is: 3
  • The sum of 131's digits is 5
  • More coming soon!

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"Number 131 - Facts about the integer". Numbermatics.com. 2020. Web. 30 November 2020.

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Numbermatics. (2020). Number 131 - Facts about the integer. Retrieved 30 November 2020, from https://numbermatics.com/n/131/

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Numbermatics. 2020. "Number 131 - Facts about the integer". https://numbermatics.com/n/131/

The information we have on file for 131 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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