115305210323431 has 4 divisors (see below), whose sum is σ = 115501641687432. Its totient is φ = 115108778959432.

The previous prime is 115305210323417. The next prime is 115305210323509. The reversal of 115305210323431 is 134323012503511.

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 115305210323431 - 2²⁹ = 115304673452519 is a prime.

It is a super-2 number, since 2×115305210323431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115305210326431) 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, 98215681120 + ... + 98215682293.

It is an arithmetic number, because the mean of its divisors is an integer number (28875410421858).

Almost surely, 2^{115305210323431} is an apocalyptic number.

115305210323431 is a deficient number, since it is larger than the sum of its proper divisors (196431364001).

115305210323431 is an equidigital number, since it uses as much as digits as its factorization.

115305210323431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196431364000.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 115305210323431 its reverse (134323012503511), we get a palindrome (249628222826942).

The spelling of 115305210323431 in words is "one hundred fifteen trillion, three hundred five billion, two hundred ten million, three hundred twenty-three thousand, four hundred thirty-one".