115320313 has 4 divisors (see below), whose sum is σ = 115828560. Its totient is φ = 114812068.

The previous prime is 115320307. The next prime is 115320323. The reversal of 115320313 is 313023511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313023511 = 1069 ⋅292819.

It is a cyclic number.

It is not a de Polignac number, because 115320313 - 2⁹ = 115319801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115320323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253783 + ... + 254236.

It is an arithmetic number, because the mean of its divisors is an integer number (28957140).

Almost surely, 2^115320313 is an apocalyptic number.

It is an amenable number.

115320313 is a deficient number, since it is larger than the sum of its proper divisors (508247).

115320313 is an equidigital number, since it uses as much as digits as its factorization.

115320313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508246.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 115320313 is about 10738.7295803554. The cubic root of 115320313 is about 486.7454914439.

Adding to 115320313 its reverse (313023511), we get a palindrome (428343824).

The spelling of 115320313 in words is "one hundred fifteen million, three hundred twenty thousand, three hundred thirteen".