31868702976 has 72 divisors (see below), whose sum is σ = 92527906464. Its totient is φ = 9657180160.

The previous prime is 31868702951. The next prime is 31868702993. The reversal of 31868702976 is 67920786813.

It is a super-2 number, since 2×31868702976² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1877721 + ... + 1894616.

It is an arithmetic number, because the mean of its divisors is an integer number (1285109812).

Almost surely, 2^31868702976 is an apocalyptic number.

It is an amenable number.

31868702976 is an abundant number, since it is smaller than the sum of its proper divisors (60659203488).

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

31868702976 is a wasteful number, since it uses less digits than its factorization.

31868702976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772367 (or 3772353 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 31868702976 in words is "thirty-one billion, eight hundred sixty-eight million, seven hundred two thousand, nine hundred seventy-six".