312263445431 has 16 divisors (see below), whose sum is σ = 358085836800. Its totient is φ = 266745490368.

The previous prime is 312263445407. The next prime is 312263445491. The reversal of 312263445431 is 134544362213.

It is not a de Polignac number, because 312263445431 - 2⁶ = 312263445367 is a prime.

It is a super-2 number, since 2×312263445431² (a number of 24 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 (312263445491) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3410630 + ... + 3500988.

It is an arithmetic number, because the mean of its divisors is an integer number (22380364800).

Almost surely, 2^312263445431 is an apocalyptic number.

312263445431 is a deficient number, since it is larger than the sum of its proper divisors (45822391369).

312263445431 is a wasteful number, since it uses less digits than its factorization.

312263445431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92038.

The product of its digits is 207360, while the sum is 38.

The spelling of 312263445431 in words is "three hundred twelve billion, two hundred sixty-three million, four hundred forty-five thousand, four hundred thirty-one".