115313321317 has 2 divisors, whose sum is σ = 115313321318. Its totient is φ = 115313321316.

The previous prime is 115313321269. The next prime is 115313321371. The reversal of 115313321317 is 713123313511.

Together with next prime (115313321371) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86863415076 + 28449906241 = 294726^2 + 168671^2 .

It is a cyclic number.

It is not a de Polignac number, because 115313321317 - 2¹¹ = 115313319269 is a prime.

It is a super-2 number, since 2×115313321317² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115313321017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57656660658 + 57656660659.

It is an arithmetic number, because the mean of its divisors is an integer number (57656660659).

Almost surely, 2^115313321317 is an apocalyptic number.

It is an amenable number.

115313321317 is a deficient number, since it is larger than the sum of its proper divisors (1).

115313321317 is an equidigital number, since it uses as much as digits as its factorization.

115313321317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 31.

Adding to 115313321317 its reverse (713123313511), we get a palindrome (828436634828).

The spelling of 115313321317 in words is "one hundred fifteen billion, three hundred thirteen million, three hundred twenty-one thousand, three hundred seventeen".