312131414233331 has 16 divisors (see below), whose sum is σ = 389153409773568. Its totient is φ = 243217686528000.

The previous prime is 312131414233297. The next prime is 312131414233333. The reversal of 312131414233331 is 133332414131213.

It is a cyclic number.

It is not a de Polignac number, because 312131414233331 - 2¹⁰ = 312131414232307 is a prime.

It is a super-2 number, since 2×312131414233331² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312131414233291 and 312131414233300.

It is not an unprimeable number, because it can be changed into a prime (312131414233333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1441550 + ... + 25026803.

It is an arithmetic number, because the mean of its divisors is an integer number (24322088110848).

Almost surely, 2^{312131414233331} is an apocalyptic number.

312131414233331 is a deficient number, since it is larger than the sum of its proper divisors (77021995540237).

312131414233331 is a wasteful number, since it uses less digits than its factorization.

312131414233331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26621522.

The product of its digits is 46656, while the sum is 35.

Adding to 312131414233331 its reverse (133332414131213), we get a palindrome (445463828364544).

The spelling of 312131414233331 in words is "three hundred twelve trillion, one hundred thirty-one billion, four hundred fourteen million, two hundred thirty-three thousand, three hundred thirty-one".