31013332130 has 96 divisors (see below), whose sum is σ = 62776942704. Its totient is φ = 11019008000.

The previous prime is 31013332109. The next prime is 31013332151. The reversal of 31013332130 is 3123331013.

It is an interprime number because it is at equal distance from previous prime (31013332109) and next prime (31013332151).

It can be written as a sum of positive squares in 8 ways, for example, as 23146883881 + 7866448249 = 152141^2 + 88693^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18019670 + ... + 18021390.

Almost surely, 2^31013332130 is an apocalyptic number.

31013332130 is an abundant number, since it is smaller than the sum of its proper divisors (31763610574).

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

31013332130 is a wasteful number, since it uses less digits than its factorization.

31013332130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084 (or 2073 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 31013332130 its reverse (3123331013), we get a palindrome (34136663143).

The spelling of 31013332130 in words is "thirty-one billion, thirteen million, three hundred thirty-two thousand, one hundred thirty".