31674568512 has 28 divisors (see below), whose sum is σ = 83805629696. Its totient is φ = 10558189440.

The previous prime is 31674568511. The next prime is 31674568517. The reversal of 31674568512 is 21586547613.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31674568511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82485664 + ... + 82486047.

Almost surely, 2^31674568512 is an apocalyptic number.

31674568512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31674568512 is an abundant number, since it is smaller than the sum of its proper divisors (52131061184).

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

31674568512 is a wasteful number, since it uses less digits than its factorization.

31674568512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164971726 (or 164971716 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The spelling of 31674568512 in words is "thirty-one billion, six hundred seventy-four million, five hundred sixty-eight thousand, five hundred twelve".