312310330231 has 4 divisors (see below), whose sum is σ = 315229118472. Its totient is φ = 309391541992.

The previous prime is 312310330217. The next prime is 312310330279. The reversal of 312310330231 is 132033013213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312310330231 - 2⁹ = 312310329719 is a prime.

It is a super-4 number, since 4×312310330231⁴ (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312310330331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1459393960 + ... + 1459394173.

It is an arithmetic number, because the mean of its divisors is an integer number (78807279618).

Almost surely, 2^312310330231 is an apocalyptic number.

312310330231 is a deficient number, since it is larger than the sum of its proper divisors (2918788241).

312310330231 is a wasteful number, since it uses less digits than its factorization.

312310330231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918788240.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 312310330231 its reverse (132033013213), we get a palindrome (444343343444).

The spelling of 312310330231 in words is "three hundred twelve billion, three hundred ten million, three hundred thirty thousand, two hundred thirty-one".