31068265472 has 44 divisors (see below), whose sum is σ = 64109681856. Its totient is φ = 15033016320.

The previous prime is 31068265469. The next prime is 31068265483. The reversal of 31068265472 is 27456286013.

It is a congruent number.

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, 457613 + ... + 521100.

It is an arithmetic number, because the mean of its divisors is an integer number (1457038224).

Almost surely, 2^31068265472 is an apocalyptic number.

31068265472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31068265472 is an abundant number, since it is smaller than the sum of its proper divisors (33041416384).

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

31068265472 is an equidigital number, since it uses as much as digits as its factorization.

31068265472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978764 (or 978746 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 31068265472 in words is "thirty-one billion, sixty-eight million, two hundred sixty-five thousand, four hundred seventy-two".