113155324331 has 4 divisors (see below), whose sum is σ = 129320370672. Its totient is φ = 96990277992.

The previous prime is 113155324253. The next prime is 113155324351. The reversal of 113155324331 is 133423551311.

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 113155324331 - 2²⁶ = 113088215467 is a prime.

It is a super-2 number, since 2×113155324331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113155324351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8082523160 + ... + 8082523173.

It is an arithmetic number, because the mean of its divisors is an integer number (32330092668).

Almost surely, 2^113155324331 is an apocalyptic number.

113155324331 is a deficient number, since it is larger than the sum of its proper divisors (16165046341).

113155324331 is an equidigital number, since it uses as much as digits as its factorization.

113155324331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16165046340.

The product of its digits is 16200, while the sum is 32.

Adding to 113155324331 its reverse (133423551311), we get a palindrome (246578875642).

The spelling of 113155324331 in words is "one hundred thirteen billion, one hundred fifty-five million, three hundred twenty-four thousand, three hundred thirty-one".