115432031 has 8 divisors (see below), whose sum is σ = 135612624. Its totient is φ = 96865920.

The previous prime is 115432019. The next prime is 115432043. The reversal of 115432031 is 130234511.

It is an interprime number because it is at equal distance from previous prime (115432019) and next prime (115432043).

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

It is a cyclic number.

It is not a de Polignac number, because 115432031 - 2¹⁰ = 115431007 is a prime.

It is a super-2 number, since 2×115432031² = 26649107561569922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115431994 and 115432012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115432531) 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, 403466 + ... + 403751.

It is an arithmetic number, because the mean of its divisors is an integer number (16951578).

Almost surely, 2^115432031 is an apocalyptic number.

115432031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115432031 is a deficient number, since it is larger than the sum of its proper divisors (20180593).

115432031 is a wasteful number, since it uses less digits than its factorization.

115432031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807241.

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

The square root of 115432031 is about 10743.9299606801. The cubic root of 115432031 is about 486.9026209816.

Adding to 115432031 its reverse (130234511), we get a palindrome (245666542).

The spelling of 115432031 in words is "one hundred fifteen million, four hundred thirty-two thousand, thirty-one".