115003231 has 4 divisors (see below), whose sum is σ = 131432272. Its totient is φ = 98574192.

The previous prime is 115003177. The next prime is 115003267. The reversal of 115003231 is 132300511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115003231 - 2¹³ = 114995039 is a prime.

It is a super-2 number, since 2×115003231² = 26451486280878722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115003631) 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, 8214510 + ... + 8214523.

It is an arithmetic number, because the mean of its divisors is an integer number (32858068).

Almost surely, 2^115003231 is an apocalyptic number.

115003231 is a deficient number, since it is larger than the sum of its proper divisors (16429041).

115003231 is an equidigital number, since it uses as much as digits as its factorization.

115003231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16429040.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 115003231 is about 10723.9559398573. The cubic root of 115003231 is about 486.2989673197.

Adding to 115003231 its reverse (132300511), we get a palindrome (247303742).

The spelling of 115003231 in words is "one hundred fifteen million, three thousand, two hundred thirty-one".