312053540431 has 16 divisors (see below), whose sum is σ = 330204028000. Its totient is φ = 294079766400.

The previous prime is 312053540429. The next prime is 312053540441. The reversal of 312053540431 is 134045350213.

It is a cyclic number.

It is not a de Polignac number, because 312053540431 - 2¹ = 312053540429 is a prime.

It is a super-2 number, since 2×312053540431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312053540393 and 312053540402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312053540441) 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, 2735761 + ... + 2847541.

It is an arithmetic number, because the mean of its divisors is an integer number (20637751750).

Almost surely, 2^312053540431 is an apocalyptic number.

312053540431 is a deficient number, since it is larger than the sum of its proper divisors (18150487569).

312053540431 is a wasteful number, since it uses less digits than its factorization.

312053540431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112570.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 312053540431 its reverse (134045350213), we get a palindrome (446098890644).

The spelling of 312053540431 in words is "three hundred twelve billion, fifty-three million, five hundred forty thousand, four hundred thirty-one".