31442355535664 has 80 divisors (see below), whose sum is σ = 62104710258432. Its totient is φ = 15417529231104.

The previous prime is 31442355535639. The next prime is 31442355535681. The reversal of 31442355535664 is 46653555324413.

It is a super-2 number, since 2×31442355535664² (a number of 28 digits) contains 22 as substring.

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, 331542557 + ... + 331637379.

Almost surely, 2^{31442355535664} is an apocalyptic number.

It is an amenable number.

31442355535664 is a deficient number, since it is larger than the sum of its proper divisors (30662354722768).

31442355535664 is a wasteful number, since it uses less digits than its factorization.

31442355535664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96274 (or 96268 counting only the distinct ones).

The product of its digits is 77760000, while the sum is 56.

The spelling of 31442355535664 in words is "thirty-one trillion, four hundred forty-two billion, three hundred fifty-five million, five hundred thirty-five thousand, six hundred sixty-four".