317111009 has 2 divisors, whose sum is σ = 317111010. Its totient is φ = 317111008.

The previous prime is 317110993. The next prime is 317111057. The reversal of 317111009 is 900111713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232471009 + 84640000 = 15247^2 + 9200^2 .

It is a cyclic number.

It is not a de Polignac number, because 317111009 - 2⁴ = 317110993 is a prime.

It is not a weakly prime, because it can be changed into another prime (317111089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158555504 + 158555505.

It is an arithmetic number, because the mean of its divisors is an integer number (158555505).

Almost surely, 2^317111009 is an apocalyptic number.

It is an amenable number.

317111009 is a deficient number, since it is larger than the sum of its proper divisors (1).

317111009 is an equidigital number, since it uses as much as digits as its factorization.

317111009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 23.

The square root of 317111009 is about 17807.6109851939. The cubic root of 317111009 is about 681.9257758709.

The spelling of 317111009 in words is "three hundred seventeen million, one hundred eleven thousand, nine".