3131324012 has 24 divisors (see below), whose sum is σ = 5711526912. Its totient is φ = 1500440400.

The previous prime is 3131324011. The next prime is 3131324017. The reversal of 3131324012 is 2104231313.

3131324012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3131324012² = 19610380136255552288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3131324011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109814 + ... + 135357.

It is an arithmetic number, because the mean of its divisors is an integer number (237980288).

Almost surely, 2^3131324012 is an apocalyptic number.

It is an amenable number.

3131324012 is a deficient number, since it is larger than the sum of its proper divisors (2580202900).

3131324012 is a wasteful number, since it uses less digits than its factorization.

3131324012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245309 (or 245307 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3131324012 is about 55958.2345325511. The cubic root of 3131324012 is about 1462.9944191653.

Adding to 3131324012 its reverse (2104231313), we get a palindrome (5235555325).

The spelling of 3131324012 in words is "three billion, one hundred thirty-one million, three hundred twenty-four thousand, twelve".