31368416860 has 48 divisors (see below), whose sum is σ = 72338176512. Its totient is φ = 11331144000.

The previous prime is 31368416857. The next prime is 31368416873. The reversal of 31368416860 is 6861486313.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 31368416860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438912 + ... + 505351.

It is an arithmetic number, because the mean of its divisors is an integer number (1507045344).

Almost surely, 2^31368416860 is an apocalyptic number.

It is an amenable number.

31368416860 is an abundant number, since it is smaller than the sum of its proper divisors (40969759652).

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

31368416860 is a wasteful number, since it uses less digits than its factorization.

31368416860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944434 (or 944432 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 31368416860 in words is "thirty-one billion, three hundred sixty-eight million, four hundred sixteen thousand, eight hundred sixty".