115224312531311 has 4 divisors (see below), whose sum is σ = 117113235687624. Its totient is φ = 113335389375000.

The previous prime is 115224312531271. The next prime is 115224312531323. The reversal of 115224312531311 is 113135213422511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115224312531311 - 2¹⁸ = 115224312269167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115224312531611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944461578065 + ... + 944461578186.

It is an arithmetic number, because the mean of its divisors is an integer number (29278308921906).

Almost surely, 2^{115224312531311} is an apocalyptic number.

115224312531311 is a deficient number, since it is larger than the sum of its proper divisors (1888923156313).

115224312531311 is an equidigital number, since it uses as much as digits as its factorization.

115224312531311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888923156312.

The product of its digits is 21600, while the sum is 35.

Adding to 115224312531311 its reverse (113135213422511), we get a palindrome (228359525953822).

The spelling of 115224312531311 in words is "one hundred fifteen trillion, two hundred twenty-four billion, three hundred twelve million, five hundred thirty-one thousand, three hundred eleven".