31919852068 has 24 divisors (see below), whose sum is σ = 60163093760. Its totient is φ = 14730660000.

The previous prime is 31919852021. The next prime is 31919852089. The reversal of 31919852068 is 86025891913.

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 557773 + ... + 612331.

Almost surely, 2^31919852068 is an apocalyptic number.

It is an amenable number.

31919852068 is a deficient number, since it is larger than the sum of its proper divisors (28243241692).

31919852068 is a wasteful number, since it uses less digits than its factorization.

31919852068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65827 (or 65825 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 31919852068 in words is "thirty-one billion, nine hundred nineteen million, eight hundred fifty-two thousand, sixty-eight".