31080532860 has 72 divisors (see below), whose sum is σ = 101529748320. Its totient is φ = 7650592128.

The previous prime is 31080532849. The next prime is 31080532867. The reversal of 31080532860 is 6823508013.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31080532867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6638800 + ... + 6643479.

Almost surely, 2^31080532860 is an apocalyptic number.

31080532860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31080532860 is an abundant number, since it is smaller than the sum of its proper divisors (70449215460).

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

31080532860 is a wasteful number, since it uses less digits than its factorization.

31080532860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13282307 (or 13282302 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 31080532860 in words is "thirty-one billion, eighty million, five hundred thirty-two thousand, eight hundred sixty".