31055051320 has 32 divisors (see below), whose sum is σ = 69899494320. Its totient is φ = 12417464320.

The previous prime is 31055051317. The next prime is 31055051323. The reversal of 31055051320 is 2315055013.

It is an interprime number because it is at equal distance from previous prime (31055051317) and next prime (31055051323).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31055051323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30886 + ... + 251125.

Almost surely, 2^31055051320 is an apocalyptic number.

It is an amenable number.

31055051320 is an abundant number, since it is smaller than the sum of its proper divisors (38844443000).

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

31055051320 is a wasteful number, since it uses less digits than its factorization.

31055051320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284775 (or 284771 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The spelling of 31055051320 in words is "thirty-one billion, fifty-five million, fifty-one thousand, three hundred twenty".