31030222033012 has 48 divisors (see below), whose sum is σ = 55765672099200. Its totient is φ = 15099062077440.

The previous prime is 31030222033007. The next prime is 31030222033087. The reversal of 31030222033012 is 21033022203013.

It is a congruent number.

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, 1035741289 + ... + 1035771247.

It is an arithmetic number, because the mean of its divisors is an integer number (1161784835400).

Almost surely, 2^{31030222033012} is an apocalyptic number.

It is an amenable number.

31030222033012 is a deficient number, since it is larger than the sum of its proper divisors (24735450066188).

31030222033012 is a wasteful number, since it uses less digits than its factorization.

31030222033012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45496 (or 45494 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31030222033012 its reverse (21033022203013), we get a palindrome (52063244236025).

The spelling of 31030222033012 in words is "thirty-one trillion, thirty billion, two hundred twenty-two million, thirty-three thousand, twelve".