312031131130022 has 16 divisors (see below), whose sum is σ = 475651314884592. Its totient is φ = 153496292052480.

The previous prime is 312031131130007. The next prime is 312031131130063. The reversal of 312031131130022 is 220031131130213.

It is a self number, because there is not a number n which added to its sum of digits gives 312031131130022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3899764163 + ... + 3899844174.

It is an arithmetic number, because the mean of its divisors is an integer number (29728207180287).

Almost surely, 2^{312031131130022} is an apocalyptic number.

312031131130022 is a deficient number, since it is larger than the sum of its proper divisors (163620183754570).

312031131130022 is a wasteful number, since it uses less digits than its factorization.

312031131130022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7799608663.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 312031131130022 its reverse (220031131130213), we get a palindrome (532062262260235).

The spelling of 312031131130022 in words is "three hundred twelve trillion, thirty-one billion, one hundred thirty-one million, one hundred thirty thousand, twenty-two".