31642106168 has 32 divisors (see below), whose sum is σ = 60112206000. Its totient is φ = 15613344000.

The previous prime is 31642106159. The next prime is 31642106179. The reversal of 31642106168 is 86160124613.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146588 + ... + 291156.

Almost surely, 2^31642106168 is an apocalyptic number.

It is an amenable number.

31642106168 is a deficient number, since it is larger than the sum of its proper divisors (28470099832).

31642106168 is a wasteful number, since it uses less digits than its factorization.

31642106168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144935 (or 144931 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 31642106168 in words is "thirty-one billion, six hundred forty-two million, one hundred six thousand, one hundred sixty-eight".