115432431 has 8 divisors (see below), whose sum is σ = 162963504. Its totient is φ = 72428160.

The previous prime is 115432399. The next prime is 115432433. The reversal of 115432431 is 134234511.

It is a happy number.

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

It is not a de Polignac number, because 115432431 - 2⁵ = 115432399 is a prime.

It is a super-2 number, since 2×115432431² = 26649292253139522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115432433) 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, 1131640 + ... + 1131741.

It is an arithmetic number, because the mean of its divisors is an integer number (20370438).

Almost surely, 2^115432431 is an apocalyptic number.

115432431 is a deficient number, since it is larger than the sum of its proper divisors (47531073).

115432431 is a wasteful number, since it uses less digits than its factorization.

115432431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263401.

The product of its digits is 1440, while the sum is 24.

The square root of 115432431 is about 10743.9485758263. The cubic root of 115432431 is about 486.9031833928.

Adding to 115432431 its reverse (134234511), we get a palindrome (249666942).

The spelling of 115432431 in words is "one hundred fifteen million, four hundred thirty-two thousand, four hundred thirty-one".