31376522616 has 16 divisors (see below), whose sum is σ = 78441306600. Its totient is φ = 10458840864.

The previous prime is 31376522609. The next prime is 31376522629. The reversal of 31376522616 is 61622567313.

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, 653677531 + ... + 653677578.

Almost surely, 2^31376522616 is an apocalyptic number.

It is an amenable number.

31376522616 is an abundant number, since it is smaller than the sum of its proper divisors (47064783984).

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

31376522616 is a wasteful number, since it uses less digits than its factorization.

31376522616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307355118 (or 1307355114 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The spelling of 31376522616 in words is "thirty-one billion, three hundred seventy-six million, five hundred twenty-two thousand, six hundred sixteen".