115224310431 has 64 divisors (see below), whose sum is σ = 177441177600. Its totient is φ = 74775454560.

The previous prime is 115224310427. The next prime is 115224310441. The reversal of 115224310431 is 134013422511.

115224310431 is a `hidden beast` number, since 1 + 1 + 5 + 224 + 3 + 1 + 0 + 431 = 666.

It is not a de Polignac number, because 115224310431 - 2² = 115224310427 is a prime.

It is a super-2 number, since 2×115224310431² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 115224310395 and 115224310404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115224310441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19629765 + ... + 19635633.

It is an arithmetic number, because the mean of its divisors is an integer number (2772518400).

Almost surely, 2^115224310431 is an apocalyptic number.

115224310431 is a deficient number, since it is larger than the sum of its proper divisors (62216867169).

115224310431 is an frugal number, since it uses more digits than its factorization.

115224310431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6128 (or 6110 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 115224310431 its reverse (134013422511), we get a palindrome (249237732942).

The spelling of 115224310431 in words is "one hundred fifteen billion, two hundred twenty-four million, three hundred ten thousand, four hundred thirty-one".