31230130132012 has 12 divisors (see below), whose sum is σ = 62460260264080. Its totient is φ = 13384341485136.

The previous prime is 31230130132007. The next prime is 31230130132013. The reversal of 31230130132012 is 21023103103213.

31230130132012 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (31230130132013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557680895187 + ... + 557680895242.

Almost surely, 2^{31230130132012} is an apocalyptic number.

It is an amenable number.

31230130132012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31230130132012 is a wasteful number, since it uses less digits than its factorization.

31230130132012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115361790440 (or 1115361790438 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31230130132012 its reverse (21023103103213), we get a palindrome (52253233235225).

The spelling of 31230130132012 in words is "thirty-one trillion, two hundred thirty billion, one hundred thirty million, one hundred thirty-two thousand, twelve".