312605107 has 2 divisors, whose sum is σ = 312605108. Its totient is φ = 312605106.

The previous prime is 312605047. The next prime is 312605159. The reversal of 312605107 is 701506213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312605107 - 2⁷ = 312604979 is a prime.

It is a super-4 number, since 4×312605107⁴ (a number of 35 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (312605177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156302553 + 156302554.

It is an arithmetic number, because the mean of its divisors is an integer number (156302554).

Almost surely, 2^312605107 is an apocalyptic number.

312605107 is a deficient number, since it is larger than the sum of its proper divisors (1).

312605107 is an equidigital number, since it uses as much as digits as its factorization.

312605107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 312605107 is about 17680.6421546278. The cubic root of 312605107 is about 678.6804767652.

The spelling of 312605107 in words is "three hundred twelve million, six hundred five thousand, one hundred seven".