115330321 has 8 divisors (see below), whose sum is σ = 118017000. Its totient is φ = 112669440.

The previous prime is 115330297. The next prime is 115330337. The reversal of 115330321 is 123033511.

It can be written as a sum of positive squares in 4 ways, for example, as 13542400 + 101787921 = 3680^2 + 10089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-115330321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115330021) 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, 2745 + ... + 15433.

It is an arithmetic number, because the mean of its divisors is an integer number (14752125).

Almost surely, 2^115330321 is an apocalyptic number.

It is an amenable number.

115330321 is a deficient number, since it is larger than the sum of its proper divisors (2686679).

115330321 is a wasteful number, since it uses less digits than its factorization.

115330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12899.

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

The square root of 115330321 is about 10739.1955471534. The cubic root of 115330321 is about 486.7595716692.

Adding to 115330321 its reverse (123033511), we get a palindrome (238363832).

The spelling of 115330321 in words is "one hundred fifteen million, three hundred thirty thousand, three hundred twenty-one".