31418901168 has 40 divisors (see below), whose sum is σ = 82696925808. Its totient is φ = 10275363072.

The previous prime is 31418901139. The next prime is 31418901179. The reversal of 31418901168 is 86110981413.

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, 6172555 + ... + 6177642.

Almost surely, 2^31418901168 is an apocalyptic number.

It is an amenable number.

31418901168 is an abundant number, since it is smaller than the sum of its proper divisors (51278024640).

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

31418901168 is a wasteful number, since it uses less digits than its factorization.

31418901168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12350261 (or 12350255 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 42.

The spelling of 31418901168 in words is "thirty-one billion, four hundred eighteen million, nine hundred one thousand, one hundred sixty-eight".