312102320231 has 8 divisors (see below), whose sum is σ = 350723677920. Its totient is φ = 275568603552.

The previous prime is 312102320207. The next prime is 312102320237. The reversal of 312102320231 is 132023201213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312102320231 is a prime.

It is a super-2 number, since 2×312102320231² (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 (312102320237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521909936 + ... + 521910533.

It is an arithmetic number, because the mean of its divisors is an integer number (43840459740).

Almost surely, 2^312102320231 is an apocalyptic number.

312102320231 is a deficient number, since it is larger than the sum of its proper divisors (38621357689).

312102320231 is a wasteful number, since it uses less digits than its factorization.

312102320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043820505.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 312102320231 its reverse (132023201213), we get a palindrome (444125521444).

The spelling of 312102320231 in words is "three hundred twelve billion, one hundred two million, three hundred twenty thousand, two hundred thirty-one".