312975127 has 2 divisors, whose sum is σ = 312975128. Its totient is φ = 312975126.

The previous prime is 312975121. The next prime is 312975167. The reversal of 312975127 is 721579213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312975127 - 2²³ = 304586519 is a prime.

It is a super-2 number, since 2×312975127² = 195906860241332258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312975121) 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 as a sum of consecutive naturals, namely, 156487563 + 156487564.

It is an arithmetic number, because the mean of its divisors is an integer number (156487564).

Almost surely, 2^312975127 is an apocalyptic number.

312975127 is a deficient number, since it is larger than the sum of its proper divisors (1).

312975127 is an equidigital number, since it uses as much as digits as its factorization.

312975127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 37.

The square root of 312975127 is about 17691.1030464468. The cubic root of 312975127 is about 678.9481481571.

The spelling of 312975127 in words is "three hundred twelve million, nine hundred seventy-five thousand, one hundred twenty-seven".