312992473291 has 2 divisors, whose sum is σ = 312992473292. Its totient is φ = 312992473290.

The previous prime is 312992473259. The next prime is 312992473319. The reversal of 312992473291 is 192374299213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312992473291 - 2⁵ = 312992473259 is a prime.

It is not a weakly prime, because it can be changed into another prime (312992473231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156496236645 + 156496236646.

It is an arithmetic number, because the mean of its divisors is an integer number (156496236646).

Almost surely, 2^312992473291 is an apocalyptic number.

312992473291 is a deficient number, since it is larger than the sum of its proper divisors (1).

312992473291 is an equidigital number, since it uses as much as digits as its factorization.

312992473291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 52.

The spelling of 312992473291 in words is "three hundred twelve billion, nine hundred ninety-two million, four hundred seventy-three thousand, two hundred ninety-one".