312863974291 has 16 divisors (see below), whose sum is σ = 346470196320. Its totient is φ = 280129432320.

The previous prime is 312863974273. The next prime is 312863974351. The reversal of 312863974291 is 192479368213.

It is a cyclic number.

It is not a de Polignac number, because 312863974291 - 2²⁵ = 312830419859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312863974991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294561 + ... + 844093.

It is an arithmetic number, because the mean of its divisors is an integer number (21654387270).

Almost surely, 2^312863974291 is an apocalyptic number.

312863974291 is a deficient number, since it is larger than the sum of its proper divisors (33606222029).

312863974291 is a wasteful number, since it uses less digits than its factorization.

312863974291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550326.

The product of its digits is 3919104, while the sum is 55.

The spelling of 312863974291 in words is "three hundred twelve billion, eight hundred sixty-three million, nine hundred seventy-four thousand, two hundred ninety-one".