312634051 has 2 divisors, whose sum is σ = 312634052. Its totient is φ = 312634050.

The previous prime is 312634043. The next prime is 312634081. The reversal of 312634051 is 150436213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312634051 - 2³ = 312634043 is a prime.

It is not a weakly prime, because it can be changed into another prime (312634081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156317025 + 156317026.

It is an arithmetic number, because the mean of its divisors is an integer number (156317026).

Almost surely, 2^312634051 is an apocalyptic number.

312634051 is a deficient number, since it is larger than the sum of its proper divisors (1).

312634051 is an equidigital number, since it uses as much as digits as its factorization.

312634051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 312634051 is about 17681.4606579886. The cubic root of 312634051 is about 678.7014223832.

The spelling of 312634051 in words is "three hundred twelve million, six hundred thirty-four thousand, fifty-one".