113230113305 has 4 divisors (see below), whose sum is σ = 135876135972. Its totient is φ = 90584090640.

The previous prime is 113230113301. The next prime is 113230113319. The reversal of 113230113305 is 503311032311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503311032311 = 1429 ⋅352212059.

It can be written as a sum of positive squares in 2 ways, for example, as 19574528281 + 93655585024 = 139909^2 + 306032^2 .

It is not a de Polignac number, because 113230113305 - 2² = 113230113301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113230113301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11323011326 + ... + 11323011335.

It is an arithmetic number, because the mean of its divisors is an integer number (33969033993).

Almost surely, 2^113230113305 is an apocalyptic number.

It is an amenable number.

113230113305 is a deficient number, since it is larger than the sum of its proper divisors (22646022667).

113230113305 is an equidigital number, since it uses as much as digits as its factorization.

113230113305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22646022666.

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 113230113305 its reverse (503311032311), we get a palindrome (616541145616).

The spelling of 113230113305 in words is "one hundred thirteen billion, two hundred thirty million, one hundred thirteen thousand, three hundred five".