31174039968 has 48 divisors (see below), whose sum is σ = 82751336640. Its totient is φ = 10274587136.

The previous prime is 31174039951. The next prime is 31174040017. The reversal of 31174039968 is 86993047113.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×31174039968² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31174039968.

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, 1815780 + ... + 1832867.

It is an arithmetic number, because the mean of its divisors is an integer number (1723986180).

Almost surely, 2^31174039968 is an apocalyptic number.

It is an amenable number.

31174039968 is an abundant number, since it is smaller than the sum of its proper divisors (51577296672).

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

31174039968 is a wasteful number, since it uses less digits than its factorization.

31174039968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648749 (or 3648741 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 31174039968 in words is "thirty-one billion, one hundred seventy-four million, thirty-nine thousand, nine hundred sixty-eight".