313697117 has 2 divisors, whose sum is σ = 313697118. Its totient is φ = 313697116.

The previous prime is 313697101. The next prime is 313697123. The reversal of 313697117 is 711796313.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159415876 + 154281241 = 12626^2 + 12421^2 .

It is a cyclic number.

It is not a de Polignac number, because 313697117 - 2⁴ = 313697101 is a prime.

It is a super-2 number, since 2×313697117² = 196811762428223378, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313693117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156848558 + 156848559.

It is an arithmetic number, because the mean of its divisors is an integer number (156848559).

Almost surely, 2^313697117 is an apocalyptic number.

It is an amenable number.

313697117 is a deficient number, since it is larger than the sum of its proper divisors (1).

313697117 is an equidigital number, since it uses as much as digits as its factorization.

313697117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814, while the sum is 38.

The square root of 313697117 is about 17711.4967464639. The cubic root of 313697117 is about 679.4698268011.

The spelling of 313697117 in words is "three hundred thirteen million, six hundred ninety-seven thousand, one hundred seventeen".