317110993 has 2 divisors, whose sum is σ = 317110994. Its totient is φ = 317110992.

The previous prime is 317110987. The next prime is 317111009. The reversal of 317110993 is 399011713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214534609 + 102576384 = 14647^2 + 10128^2 .

It is a cyclic number.

It is not a de Polignac number, because 317110993 - 2⁹ = 317110481 is a prime.

It is equal to p_17127826 and since 317110993 and 17127826 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (317110973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158555496 + 158555497.

It is an arithmetic number, because the mean of its divisors is an integer number (158555497).

Almost surely, 2^317110993 is an apocalyptic number.

It is an amenable number.

317110993 is a deficient number, since it is larger than the sum of its proper divisors (1).

317110993 is an equidigital number, since it uses as much as digits as its factorization.

317110993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 317110993 is about 17807.6105359478. The cubic root of 317110993 is about 681.9257644019.

The spelling of 317110993 in words is "three hundred seventeen million, one hundred ten thousand, nine hundred ninety-three".