115032431 has 2 divisors, whose sum is σ = 115032432. Its totient is φ = 115032430.

The previous prime is 115032391. The next prime is 115032443. The reversal of 115032431 is 134230511.

It is a strong prime.

It is an emirp because it is prime and its reverse (134230511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115032431 is a prime.

It is a super-2 number, since 2×115032431² = 26464920363539522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115038431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57516215 + 57516216.

It is an arithmetic number, because the mean of its divisors is an integer number (57516216).

Almost surely, 2^115032431 is an apocalyptic number.

115032431 is a deficient number, since it is larger than the sum of its proper divisors (1).

115032431 is an equidigital number, since it uses as much as digits as its factorization.

115032431 is an evil number, because the sum of its binary digits is even.

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

The square root of 115032431 is about 10725.3172913439. The cubic root of 115032431 is about 486.3401218973.

Adding to 115032431 its reverse (134230511), we get a palindrome (249262942).

The spelling of 115032431 in words is "one hundred fifteen million, thirty-two thousand, four hundred thirty-one".