313574940857 has 2 divisors, whose sum is σ = 313574940858. Its totient is φ = 313574940856.

The previous prime is 313574940839. The next prime is 313574940859. The reversal of 313574940857 is 758049475313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287661668281 + 25913272576 = 536341^2 + 160976^2 .

It is a cyclic number.

It is not a de Polignac number, because 313574940857 - 2¹⁴ = 313574924473 is a prime.

Together with 313574940859, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (313574940859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156787470428 + 156787470429.

It is an arithmetic number, because the mean of its divisors is an integer number (156787470429).

Almost surely, 2^313574940857 is an apocalyptic number.

It is an amenable number.

313574940857 is a deficient number, since it is larger than the sum of its proper divisors (1).

313574940857 is an equidigital number, since it uses as much as digits as its factorization.

313574940857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12700800, while the sum is 56.

The spelling of 313574940857 in words is "three hundred thirteen billion, five hundred seventy-four million, nine hundred forty thousand, eight hundred fifty-seven".