113131110223 has 4 divisors (see below), whose sum is σ = 113258654640. Its totient is φ = 113003565808.

The previous prime is 113131110217. The next prime is 113131110263. The reversal of 113131110223 is 322011131311.

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 113131110223 - 2¹³ = 113131102031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113131110223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113131110263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63770878 + ... + 63772651.

It is an arithmetic number, because the mean of its divisors is an integer number (28314663660).

Almost surely, 2^113131110223 is an apocalyptic number.

113131110223 is a deficient number, since it is larger than the sum of its proper divisors (127544417).

113131110223 is an equidigital number, since it uses as much as digits as its factorization.

113131110223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127544416.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 113131110223 its reverse (322011131311), we get a palindrome (435142241534).

The spelling of 113131110223 in words is "one hundred thirteen billion, one hundred thirty-one million, one hundred ten thousand, two hundred twenty-three".