115042431 has 8 divisors (see below), whose sum is σ = 175302784. Its totient is φ = 65738520.

The previous prime is 115042427. The next prime is 115042439. The reversal of 115042431 is 134240511.

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

It is not a de Polignac number, because 115042431 - 2² = 115042427 is a prime.

It is a super-2 number, since 2×115042431² = 26469521860779522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5478211 = 115042431 / (1 + 1 + 5 + 0 + 4 + 2 + 4 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115042398 and 115042407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115042439) 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, 2739085 + ... + 2739126.

It is an arithmetic number, because the mean of its divisors is an integer number (21912848).

Almost surely, 2^115042431 is an apocalyptic number.

115042431 is a deficient number, since it is larger than the sum of its proper divisors (60260353).

115042431 is an equidigital number, since it uses as much as digits as its factorization.

115042431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478221.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 115042431 is about 10725.7834678871. The cubic root of 115042431 is about 486.3542143298.

Adding to 115042431 its reverse (134240511), we get a palindrome (249282942).

The spelling of 115042431 in words is "one hundred fifteen million, forty-two thousand, four hundred thirty-one".