312331021320122 has 32 divisors (see below), whose sum is σ = 558757993658112. Its totient is φ = 128023931718144.

The previous prime is 312331021320107. The next prime is 312331021320167. The reversal of 312331021320122 is 221023120133213.

It is a junction number, because it is equal to n+sod(n) for n = 312331021320091 and 312331021320100.

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, 43588973 + ... + 50246000.

It is an arithmetic number, because the mean of its divisors is an integer number (17461187301816).

Almost surely, 2^{312331021320122} is an apocalyptic number.

312331021320122 is a deficient number, since it is larger than the sum of its proper divisors (246426972337990).

312331021320122 is a wasteful number, since it uses less digits than its factorization.

312331021320122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93845342.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 312331021320122 its reverse (221023120133213), we get a palindrome (533354141453335).

The spelling of 312331021320122 in words is "three hundred twelve trillion, three hundred thirty-one billion, twenty-one million, three hundred twenty thousand, one hundred twenty-two".