# 3131

## 3,131 is an odd composite number composed of two prime numbers multiplied together.

What does the number 3131 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

3131 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 3131:

### 31 × 101

See below for interesting mathematical facts about the number 3131 from the Numbermatics database.

### Names of 3131

• Cardinal: 3131 can be written as Three thousand, one hundred thirty-one.

### Scientific notation

• Scientific notation: 3.131 × 103

### Factors of 3131

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 132

### Divisors of 3131

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 3264
• Sum of proper divisors (its aliquot sum) s(n): 133
• 3131 is a deficient number, because the sum of its proper divisors (133) is less than itself. Its deficiency is 2998

### Bases of 3131

• Binary: 1100001110112
• Base-36: 2EZ

### Squares and roots of 3131

• 3131 squared (31312) is 9803161
• 3131 cubed (31313) is 30693697091
• The square root of 3131 is 55.9553393341
• The cube root of 3131 is 14.6294395659

### Scales and comparisons

How big is 3131?
• 3,131 seconds is equal to 52 minutes, 11 seconds.
• To count from 1 to 3,131 would take you about fifty-two minutes.

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 3131 cubic inches would be around 1.2 feet tall.

### Recreational maths with 3131

• 3131 backwards is 1313
• The number of decimal digits it has is: 4
• The sum of 3131's digits is 8
• More coming soon!