312444041244331 has 4 divisors (see below), whose sum is σ = 312457375911664. Its totient is φ = 312430706577000.

The previous prime is 312444041244299. The next prime is 312444041244389. The reversal of 312444041244331 is 133442140444213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312444041244331 - 2⁵ = 312444041244299 is a prime.

It is a super-2 number, since 2×312444041244331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312444041244031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6667298520 + ... + 6667345381.

It is an arithmetic number, because the mean of its divisors is an integer number (78114343977916).

Almost surely, 2^{312444041244331} is an apocalyptic number.

312444041244331 is a deficient number, since it is larger than the sum of its proper divisors (13334667333).

312444041244331 is a wasteful number, since it uses less digits than its factorization.

312444041244331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13334667332.

The product of its (nonzero) digits is 442368, while the sum is 40.

Adding to 312444041244331 its reverse (133442140444213), we get a palindrome (445886181688544).

The spelling of 312444041244331 in words is "three hundred twelve trillion, four hundred forty-four billion, forty-one million, two hundred forty-four thousand, three hundred thirty-one".