3131231324 has 18 divisors (see below), whose sum is σ = 5933592000. Its totient is φ = 1445183376.

The previous prime is 3131231317. The next prime is 3131231329. The reversal of 3131231324 is 4231321313.

3131231324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3131231324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131231329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2315324 + ... + 2316675.

It is an arithmetic number, because the mean of its divisors is an integer number (329644000).

Almost surely, 2^3131231324 is an apocalyptic number.

It is an amenable number.

3131231324 is a deficient number, since it is larger than the sum of its proper divisors (2802360676).

3131231324 is a wasteful number, since it uses less digits than its factorization.

3131231324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4632029 (or 4632014 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 3131231324 is about 55957.4063373205. The cubic root of 3131231324 is about 1462.9799840186.

Adding to 3131231324 its reverse (4231321313), we get a palindrome (7362552637).

The spelling of 3131231324 in words is "three billion, one hundred thirty-one million, two hundred thirty-one thousand, three hundred twenty-four".