312430031444431 has 16 divisors (see below), whose sum is σ = 319999997661568. Its totient is φ = 304944251040000.

The previous prime is 312430031444407. The next prime is 312430031444471. The reversal of 312430031444431 is 134444130034213.

It is a cyclic number.

It is not a de Polignac number, because 312430031444431 - 2⁹ = 312430031443919 is a prime.

It is a super-2 number, since 2×312430031444431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312430031444471) 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 15 ways as a sum of consecutive naturals, for example, 14527350 + ... + 28912003.

It is an arithmetic number, because the mean of its divisors is an integer number (19999999853848).

Almost surely, 2^{312430031444431} is an apocalyptic number.

312430031444431 is a deficient number, since it is larger than the sum of its proper divisors (7569966217137).

312430031444431 is a wasteful number, since it uses less digits than its factorization.

312430031444431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43440322.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 312430031444431 its reverse (134444130034213), we get a palindrome (446874161478644).

The spelling of 312430031444431 in words is "three hundred twelve trillion, four hundred thirty billion, thirty-one million, four hundred forty-four thousand, four hundred thirty-one".