312420131022 has 64 divisors (see below), whose sum is σ = 673835500800. Its totient is φ = 96205908480.

The previous prime is 312420130999. The next prime is 312420131059. The reversal of 312420131022 is 220131024213.

It is a self number, because there is not a number n which added to its sum of digits gives 312420131022.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3938629 + ... + 4017167.

It is an arithmetic number, because the mean of its divisors is an integer number (10528679700).

Almost surely, 2^312420131022 is an apocalyptic number.

312420131022 is an abundant number, since it is smaller than the sum of its proper divisors (361415369778).

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

312420131022 is a wasteful number, since it uses less digits than its factorization.

312420131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79281.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 312420131022 its reverse (220131024213), we get a palindrome (532551155235).

The spelling of 312420131022 in words is "three hundred twelve billion, four hundred twenty million, one hundred thirty-one thousand, twenty-two".