312340324331 has 16 divisors (see below), whose sum is σ = 367687040448. Its totient is φ = 259747430400.

The previous prime is 312340324321. The next prime is 312340324343. The reversal of 312340324331 is 133423043213.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312340324331 is a prime.

It is a super-2 number, since 2×312340324331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312340324294 and 312340324303.

It is not an unprimeable number, because it can be changed into a prime (312340324321) 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, 2954390 + ... + 3058283.

It is an arithmetic number, because the mean of its divisors is an integer number (22980440028).

Almost surely, 2^312340324331 is an apocalyptic number.

312340324331 is a deficient number, since it is larger than the sum of its proper divisors (55346716117).

312340324331 is a wasteful number, since it uses less digits than its factorization.

312340324331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6012902.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 312340324331 its reverse (133423043213), we get a palindrome (445763367544).

The spelling of 312340324331 in words is "three hundred twelve billion, three hundred forty million, three hundred twenty-four thousand, three hundred thirty-one".