312131112041422 has 16 divisors (see below), whose sum is σ = 492838974810000. Its totient is φ = 147851466333120.

The previous prime is 312131112041407. The next prime is 312131112041521. The reversal of 312131112041422 is 224140211131213.

It is a super-2 number, since 2×312131112041422² (a number of 30 digits) contains 22 as substring.

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, 68337954 + ... + 72762202.

It is an arithmetic number, because the mean of its divisors is an integer number (30802435925625).

Almost surely, 2^{312131112041422} is an apocalyptic number.

312131112041422 is a deficient number, since it is larger than the sum of its proper divisors (180707862768578).

312131112041422 is a wasteful number, since it uses less digits than its factorization.

312131112041422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280851.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 312131112041422 its reverse (224140211131213), we get a palindrome (536271323172635).

The spelling of 312131112041422 in words is "three hundred twelve trillion, one hundred thirty-one billion, one hundred twelve million, forty-one thousand, four hundred twenty-two".