312131124020422 has 16 divisors (see below), whose sum is σ = 535284073509120. Its totient is φ = 133719945068808.

The previous prime is 312131124020413. The next prime is 312131124020501. The reversal of 312131124020422 is 224020421131213.

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, 4211349472 + ... + 4211423587.

It is an arithmetic number, because the mean of its divisors is an integer number (33455254594320).

Almost surely, 2^{312131124020422} is an apocalyptic number.

312131124020422 is a deficient number, since it is larger than the sum of its proper divisors (223152949488698).

312131124020422 is a wasteful number, since it uses less digits than its factorization.

312131124020422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8422775715.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 312131124020422 its reverse (224020421131213), we get a palindrome (536151545151635).

The spelling of 312131124020422 in words is "three hundred twelve trillion, one hundred thirty-one billion, one hundred twenty-four million, twenty thousand, four hundred twenty-two".