31620414512 has 20 divisors (see below), whose sum is σ = 61308958416. Its totient is φ = 15798747840.

The previous prime is 31620414487. The next prime is 31620414541. The reversal of 31620414512 is 21541402613.

It is a super-2 number, since 2×31620414512² (a number of 22 digits) contains 22 as substring.

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, 693428 + ... + 737619.

Almost surely, 2^31620414512 is an apocalyptic number.

It is an amenable number.

31620414512 is a deficient number, since it is larger than the sum of its proper divisors (29688543904).

31620414512 is a wasteful number, since it uses less digits than its factorization.

31620414512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432436 (or 1432430 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 31620414512 in words is "thirty-one billion, six hundred twenty million, four hundred fourteen thousand, five hundred twelve".