115204431 has 8 divisors (see below), whose sum is σ = 153739440. Its totient is φ = 76736192.

The previous prime is 115204409. The next prime is 115204433. The reversal of 115204431 is 134402511.

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 115204431 - 2⁵ = 115204399 is a prime.

It is a super-2 number, since 2×115204431² = 26544121844067522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115204398 and 115204407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115204433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12516 + ... + 19673.

It is an arithmetic number, because the mean of its divisors is an integer number (19217430).

Almost surely, 2^115204431 is an apocalyptic number.

115204431 is a deficient number, since it is larger than the sum of its proper divisors (38535009).

115204431 is a wasteful number, since it uses less digits than its factorization.

115204431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33385.

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

The square root of 115204431 is about 10733.3327070393. The cubic root of 115204431 is about 486.5823980467.

Adding to 115204431 its reverse (134402511), we get a palindrome (249606942).

It can be divided in two parts, 11520 and 4431, that added together give a palindrome (15951).

The spelling of 115204431 in words is "one hundred fifteen million, two hundred four thousand, four hundred thirty-one".