115404031 has 2 divisors, whose sum is σ = 115404032. Its totient is φ = 115404030.

The previous prime is 115404019. The next prime is 115404049. The reversal of 115404031 is 130404511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115404031 - 2¹¹ = 115401983 is a prime.

It is a super-2 number, since 2×115404031² = 26636180742097922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115404071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57702015 + 57702016.

It is an arithmetic number, because the mean of its divisors is an integer number (57702016).

Almost surely, 2^115404031 is an apocalyptic number.

115404031 is a deficient number, since it is larger than the sum of its proper divisors (1).

115404031 is an equidigital number, since it uses as much as digits as its factorization.

115404031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 115404031 is about 10742.6268202893. The cubic root of 115404031 is about 486.8632489640.

Adding to 115404031 its reverse (130404511), we get a palindrome (245808542).

The spelling of 115404031 in words is "one hundred fifteen million, four hundred four thousand, thirty-one".