312322311210231 has 48 divisors (see below), whose sum is σ = 528157994757120. Its totient is φ = 174115915597440.

The previous prime is 312322311210227. The next prime is 312322311210241. The reversal of 312322311210231 is 132012113223213.

312322311210231 is a `hidden beast` number, since 3 + 1 + 2 + 322 + 311 + 2 + 1 + 0 + 23 + 1 = 666.

It is not a de Polignac number, because 312322311210231 - 2² = 312322311210227 is a prime.

It is a super-2 number, since 2×312322311210231² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312322311210195 and 312322311210204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312322311210211) 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 47 ways as a sum of consecutive naturals, for example, 653670886 + ... + 654148508.

It is an arithmetic number, because the mean of its divisors is an integer number (11003291557440).

Almost surely, 2^{312322311210231} is an apocalyptic number.

312322311210231 is a deficient number, since it is larger than the sum of its proper divisors (215835683546889).

312322311210231 is a wasteful number, since it uses less digits than its factorization.

312322311210231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730836 (or 730833 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 312322311210231 its reverse (132012113223213), we get a palindrome (444334424433444).

The spelling of 312322311210231 in words is "three hundred twelve trillion, three hundred twenty-two billion, three hundred eleven million, two hundred ten thousand, two hundred thirty-one".