115316321 has 16 divisors (see below), whose sum is σ = 124416000. Its totient is φ = 106495488.

The previous prime is 115316317. The next prime is 115316329. The reversal of 115316321 is 123613511.

It is a cyclic number.

It is not a de Polignac number, because 115316321 - 2² = 115316317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115316329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300896 + ... + 301278.

It is an arithmetic number, because the mean of its divisors is an integer number (7776000).

Almost surely, 2^115316321 is an apocalyptic number.

It is an amenable number.

115316321 is a deficient number, since it is larger than the sum of its proper divisors (9099679).

115316321 is a wasteful number, since it uses less digits than its factorization.

115316321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688.

The product of its digits is 540, while the sum is 23.

The square root of 115316321 is about 10738.5437094608. The cubic root of 115316321 is about 486.7398748838.

Adding to 115316321 its reverse (123613511), we get a palindrome (238929832).

The spelling of 115316321 in words is "one hundred fifteen million, three hundred sixteen thousand, three hundred twenty-one".