31013002130 has 32 divisors (see below), whose sum is σ = 64103434560. Its totient is φ = 10683904320.

The previous prime is 31013002081. The next prime is 31013002159. The reversal of 31013002130 is 3120031013.

It is a super-2 number, since 2×31013002130² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7417289 + ... + 7421468.

It is an arithmetic number, because the mean of its divisors is an integer number (2003232330).

Almost surely, 2^31013002130 is an apocalyptic number.

31013002130 is an abundant number, since it is smaller than the sum of its proper divisors (33090432430).

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

31013002130 is a wasteful number, since it uses less digits than its factorization.

31013002130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14838794.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 31013002130 its reverse (3120031013), we get a palindrome (34133033143).

The spelling of 31013002130 in words is "thirty-one billion, thirteen million, two thousand, one hundred thirty".