115231403 has 16 divisors (see below), whose sum is σ = 138723840. Its totient is φ = 93578496.

The previous prime is 115231397. The next prime is 115231453. The reversal of 115231403 is 304132511.

It is a cyclic number.

It is not a de Polignac number, because 115231403 - 2¹⁴ = 115215019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115231453) 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, 13883 + ... + 20571.

It is an arithmetic number, because the mean of its divisors is an integer number (8670240).

Almost surely, 2^115231403 is an apocalyptic number.

115231403 is a deficient number, since it is larger than the sum of its proper divisors (23492437).

115231403 is a wasteful number, since it uses less digits than its factorization.

115231403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6826.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 115231403 is about 10734.5890932071. The cubic root of 115231403 is about 486.6203684507.

Adding to 115231403 its reverse (304132511), we get a palindrome (419363914).

The spelling of 115231403 in words is "one hundred fifteen million, two hundred thirty-one thousand, four hundred three".