312973051 has 2 divisors, whose sum is σ = 312973052. Its totient is φ = 312973050.

The previous prime is 312973033. The next prime is 312973057. The reversal of 312973051 is 150379213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312973051 - 2⁷ = 312972923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (312973057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156486525 + 156486526.

It is an arithmetic number, because the mean of its divisors is an integer number (156486526).

Almost surely, 2^312973051 is an apocalyptic number.

312973051 is a deficient number, since it is larger than the sum of its proper divisors (1).

312973051 is an equidigital number, since it uses as much as digits as its factorization.

312973051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 312973051 is about 17691.0443727893. The cubic root of 312973051 is about 678.9466469734.

The spelling of 312973051 in words is "three hundred twelve million, nine hundred seventy-three thousand, fifty-one".