115317 has 8 divisors (see below), whose sum is σ = 170880. Its totient is φ = 76860.

The previous prime is 115309. The next prime is 115319. The reversal of 115317 is 713511.

Added to its reverse (713511) it gives a triangular number (828828 = T₁₂₈₇).

It is a happy number.

It is not a de Polignac number, because 115317 - 2³ = 115309 is a prime.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 115317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2109 + ... + 2162.

It is an arithmetic number, because the mean of its divisors is an integer number (21360).

2¹¹⁵³¹⁷ is an apocalyptic number.

It is an amenable number.

115317 is a deficient number, since it is larger than the sum of its proper divisors (55563).

115317 is an equidigital number, since it uses as much as digits as its factorization.

115317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280 (or 4274 counting only the distinct ones).

The product of its digits is 105, while the sum is 18.

The square root of 115317 is about 339.5835685071. The cubic root of 115317 is about 48.6740830215.

Adding to 115317 its reverse (713511), we get a palindrome (828828).

The spelling of 115317 in words is "one hundred fifteen thousand, three hundred seventeen".