115303131 has 6 divisors (see below), whose sum is σ = 166548980. Its totient is φ = 76868748.

The previous prime is 115303127. The next prime is 115303171. The reversal of 115303131 is 131303511.

115303131 is a `hidden beast` number, since 1 + 1 + 530 + 3 + 131 = 666.

It is not a de Polignac number, because 115303131 - 2² = 115303127 is a prime.

It is a super-2 number, since 2×115303131² = 26589624036806322, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (115303121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6405721 + ... + 6405738.

Almost surely, 2^115303131 is an apocalyptic number.

115303131 is a deficient number, since it is larger than the sum of its proper divisors (51245849).

115303131 is a wasteful number, since it uses less digits than its factorization.

115303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12811465 (or 12811462 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 115303131 is about 10737.9295490332. The cubic root of 115303131 is about 486.7213162395.

Adding to 115303131 its reverse (131303511), we get a palindrome (246606642).

The spelling of 115303131 in words is "one hundred fifteen million, three hundred three thousand, one hundred thirty-one".