3131973696 has 28 divisors (see below), whose sum is σ = 8286680912. Its totient is φ = 1043991168.

The previous prime is 3131973683. The next prime is 3131973701. The reversal of 3131973696 is 6963791313.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 8155990 + ... + 8156373.

Almost surely, 2^3131973696 is an apocalyptic number.

It is an amenable number.

3131973696 is an abundant number, since it is smaller than the sum of its proper divisors (5154707216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3131973696 is a wasteful number, since it uses less digits than its factorization.

3131973696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16312378 (or 16312368 counting only the distinct ones).

The product of its digits is 551124, while the sum is 48.

The square root of 3131973696 is about 55964.0393109718. The cubic root of 3131973696 is about 1463.0955923788.

The spelling of 3131973696 in words is "three billion, one hundred thirty-one million, nine hundred seventy-three thousand, six hundred ninety-six".