31821064838084 has 12 divisors (see below), whose sum is σ = 56471185487808. Its totient is φ = 15686440413000.

The previous prime is 31821064838041. The next prime is 31821064838113. The reversal of 31821064838084 is 48083846012813.

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, 56023001192 + ... + 56023001759.

It is an arithmetic number, because the mean of its divisors is an integer number (4705932123984).

Almost surely, 2^{31821064838084} is an apocalyptic number.

It is an amenable number.

31821064838084 is a deficient number, since it is larger than the sum of its proper divisors (24650120649724).

31821064838084 is a wasteful number, since it uses less digits than its factorization.

31821064838084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112046003026 (or 112046003024 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 56.

The spelling of 31821064838084 in words is "thirty-one trillion, eight hundred twenty-one billion, sixty-four million, eight hundred thirty-eight thousand, eighty-four".