3131231368 has 16 divisors (see below), whose sum is σ = 5995975680. Its totient is φ = 1532304528.

The previous prime is 3131231347. The next prime is 3131231381. The reversal of 3131231368 is 8631321313.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4163496 + ... + 4164247.

It is an arithmetic number, because the mean of its divisors is an integer number (374748480).

Almost surely, 2^3131231368 is an apocalyptic number.

It is an amenable number.

3131231368 is a deficient number, since it is larger than the sum of its proper divisors (2864744312).

3131231368 is a wasteful number, since it uses less digits than its factorization.

3131231368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8327796 (or 8327792 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 3131231368 is about 55957.4067304767. The cubic root of 3131231368 is about 1462.9799908712.

The spelling of 3131231368 in words is "three billion, one hundred thirty-one million, two hundred thirty-one thousand, three hundred sixty-eight".