31612717160 has 32 divisors (see below), whose sum is σ = 72102984840. Its totient is φ = 12471865344.

The previous prime is 31612717159. The next prime is 31612717181. The reversal of 31612717160 is 6171721613.

It can be written as a sum of positive squares in 4 ways, for example, as 31400548804 + 212168356 = 177202^2 + 14566^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31612717160.

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, 5410217 + ... + 5416056.

Almost surely, 2^31612717160 is an apocalyptic number.

It is an amenable number.

31612717160 is an abundant number, since it is smaller than the sum of its proper divisors (40490267680).

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

31612717160 is a wasteful number, since it uses less digits than its factorization.

31612717160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10826357 (or 10826353 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 35.

The spelling of 31612717160 in words is "thirty-one billion, six hundred twelve million, seven hundred seventeen thousand, one hundred sixty".