317111057 has 2 divisors, whose sum is σ = 317111058. Its totient is φ = 317111056.

The previous prime is 317111009. The next prime is 317111071. The reversal of 317111057 is 750111713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249608401 + 67502656 = 15799^2 + 8216^2 .

It is a cyclic number.

It is not a de Polignac number, because 317111057 - 2⁶ = 317110993 is a prime.

It is not a weakly prime, because it can be changed into another prime (317111087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158555528 + 158555529.

It is an arithmetic number, because the mean of its divisors is an integer number (158555529).

Almost surely, 2^317111057 is an apocalyptic number.

It is an amenable number.

317111057 is a deficient number, since it is larger than the sum of its proper divisors (1).

317111057 is an equidigital number, since it uses as much as digits as its factorization.

317111057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 735, while the sum is 26.

The square root of 317111057 is about 17807.6123329322. The cubic root of 317111057 is about 681.9258102778.

It can be divided in two parts, 31711 and 1057, that added together give a 15-th power (32768 = 2¹⁵).

The spelling of 317111057 in words is "three hundred seventeen million, one hundred eleven thousand, fifty-seven".