113221300231 has 4 divisors (see below), whose sum is σ = 121930631032. Its totient is φ = 104511969432.

The previous prime is 113221300223. The next prime is 113221300261. The reversal of 113221300231 is 132003122311.

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

It is not a de Polignac number, because 113221300231 - 2³ = 113221300223 is a prime.

It is a super-2 number, since 2×113221300231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113221300199 and 113221300208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113221300261) 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, 4354665381 + ... + 4354665406.

It is an arithmetic number, because the mean of its divisors is an integer number (30482657758).

Almost surely, 2^113221300231 is an apocalyptic number.

113221300231 is a deficient number, since it is larger than the sum of its proper divisors (8709330801).

113221300231 is an equidigital number, since it uses as much as digits as its factorization.

113221300231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8709330800.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 113221300231 its reverse (132003122311), we get a palindrome (245224422542).

The spelling of 113221300231 in words is "one hundred thirteen billion, two hundred twenty-one million, three hundred thousand, two hundred thirty-one".