115631303 has 4 divisors (see below), whose sum is σ = 116140920. Its totient is φ = 115121688.

The previous prime is 115631293. The next prime is 115631309. The reversal of 115631303 is 303136511.

It is a happy number.

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

It is not a de Polignac number, because 115631303 - 2⁴ = 115631287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115631309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254468 + ... + 254921.

It is an arithmetic number, because the mean of its divisors is an integer number (29035230).

Almost surely, 2^115631303 is an apocalyptic number.

115631303 is a deficient number, since it is larger than the sum of its proper divisors (509617).

115631303 is an equidigital number, since it uses as much as digits as its factorization.

115631303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509616.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 115631303 is about 10753.1996633560. The cubic root of 115631303 is about 487.1826422756.

Adding to 115631303 its reverse (303136511), we get a palindrome (418767814).

The spelling of 115631303 in words is "one hundred fifteen million, six hundred thirty-one thousand, three hundred three".