31660131554552 has 16 divisors (see below), whose sum is σ = 59412757421160. Its totient is φ = 15816729575584.

The previous prime is 31660131554501. The next prime is 31660131554567. The reversal of 31660131554552 is 25545513106613.

It is a junction number, because it is equal to n+sod(n) for n = 31660131554497 and 31660131554506.

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, 1667015123 + ... + 1667034114.

Almost surely, 2^{31660131554552} is an apocalyptic number.

It is an amenable number.

31660131554552 is a deficient number, since it is larger than the sum of its proper divisors (27752625866608).

31660131554552 is a wasteful number, since it uses less digits than its factorization.

31660131554552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334050430 (or 3334050426 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 31660131554552 in words is "thirty-one trillion, six hundred sixty billion, one hundred thirty-one million, five hundred fifty-four thousand, five hundred fifty-two".