31885628676 has 48 divisors (see below), whose sum is σ = 83357037120. Its totient is φ = 9401166720.

The previous prime is 31885628669. The next prime is 31885628681. The reversal of 31885628676 is 67682658813.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3259411 + ... + 3269178.

It is an arithmetic number, because the mean of its divisors is an integer number (1736604940).

Almost surely, 2^31885628676 is an apocalyptic number.

It is an amenable number.

31885628676 is an abundant number, since it is smaller than the sum of its proper divisors (51471408444).

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

31885628676 is a wasteful number, since it uses less digits than its factorization.

31885628676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6528644 (or 6528642 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 60.

The spelling of 31885628676 in words is "thirty-one billion, eight hundred eighty-five million, six hundred twenty-eight thousand, six hundred seventy-six".