312403314049 has 2 divisors, whose sum is σ = 312403314050. Its totient is φ = 312403314048.

The previous prime is 312403314023. The next prime is 312403314071. The reversal of 312403314049 is 940413304213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237882503824 + 74520810225 = 487732^2 + 272985^2 .

It is a cyclic number.

It is not a de Polignac number, because 312403314049 - 2⁵ = 312403314017 is a prime.

It is not a weakly prime, because it can be changed into another prime (312403314089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156201657024 + 156201657025.

It is an arithmetic number, because the mean of its divisors is an integer number (156201657025).

Almost surely, 2^312403314049 is an apocalyptic number.

It is an amenable number.

312403314049 is a deficient number, since it is larger than the sum of its proper divisors (1).

312403314049 is an equidigital number, since it uses as much as digits as its factorization.

312403314049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 312403314049 in words is "three hundred twelve billion, four hundred three million, three hundred fourteen thousand, forty-nine".