312043300331 has 12 divisors (see below), whose sum is σ = 368101672560. Its totient is φ = 263698560720.

The previous prime is 312043300249. The next prime is 312043300333. The reversal of 312043300331 is 133003340213.

It is not a de Polignac number, because 312043300331 - 2¹⁰ = 312043299307 is a prime.

It is a super-2 number, since 2×312043300331² (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 = 312043300297 and 312043300306.

It is not an unprimeable number, because it can be changed into a prime (312043300333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44843216 + ... + 44850173.

It is an arithmetic number, because the mean of its divisors is an integer number (30675139380).

Almost surely, 2^312043300331 is an apocalyptic number.

312043300331 is a deficient number, since it is larger than the sum of its proper divisors (56058372229).

312043300331 is an equidigital number, since it uses as much as digits as its factorization.

312043300331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89693474 (or 89693467 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 312043300331 its reverse (133003340213), we get a palindrome (445046640544).

The spelling of 312043300331 in words is "three hundred twelve billion, forty-three million, three hundred thousand, three hundred thirty-one".