31112330312130 has 32 divisors (see below), whose sum is σ = 74670899986368. Its totient is φ = 8296476168000.

The previous prime is 31112330312113. The next prime is 31112330312143. The reversal of 31112330312130 is 3121303321113.

It is a self number, because there is not a number n which added to its sum of digits gives 31112330312130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7330356 + ... + 10768415.

It is an arithmetic number, because the mean of its divisors is an integer number (2333465624574).

Almost surely, 2^{31112330312130} is an apocalyptic number.

31112330312130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31112330312130 is an abundant number, since it is smaller than the sum of its proper divisors (43558569674238).

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

31112330312130 is a wasteful number, since it uses less digits than its factorization.

31112330312130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18156082.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 31112330312130 its reverse (3121303321113), we get a palindrome (34233633633243).

The spelling of 31112330312130 in words is "thirty-one trillion, one hundred twelve billion, three hundred thirty million, three hundred twelve thousand, one hundred thirty".