312110312999 has 4 divisors (see below), whose sum is σ = 313473240360. Its totient is φ = 310747385640.

The previous prime is 312110312993. The next prime is 312110313013. The reversal of 312110312999 is 999213011213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999213011213 = 437543 ⋅2283691.

It is a cyclic number.

It is not a de Polignac number, because 312110312999 - 2²⁴ = 312093535783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312110312993) 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, 681463337 + ... + 681463794.

It is an arithmetic number, because the mean of its divisors is an integer number (78368310090).

Almost surely, 2^312110312999 is an apocalyptic number.

312110312999 is a deficient number, since it is larger than the sum of its proper divisors (1362927361).

312110312999 is a wasteful number, since it uses less digits than its factorization.

312110312999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362927360.

The product of its (nonzero) digits is 26244, while the sum is 41.

The spelling of 312110312999 in words is "three hundred twelve billion, one hundred ten million, three hundred twelve thousand, nine hundred ninety-nine".