31706868480 has 144 divisors (see below), whose sum is σ = 115730168064. Its totient is φ = 7247278080.

The previous prime is 31706868463. The next prime is 31706868499. The reversal of 31706868480 is 8486860713.

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, 562906 + ... + 616665.

Almost surely, 2^31706868480 is an apocalyptic number.

31706868480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31706868480 is an abundant number, since it is smaller than the sum of its proper divisors (84023299584).

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

31706868480 is a wasteful number, since it uses less digits than its factorization.

31706868480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179602 (or 1179588 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 31706868480 in words is "thirty-one billion, seven hundred six million, eight hundred sixty-eight thousand, four hundred eighty".