113221244313 has 8 divisors (see below), whose sum is σ = 167735176800. Its totient is φ = 75480829524.

The previous prime is 113221244309. The next prime is 113221244333. The reversal of 113221244313 is 313442122311.

113221244313 is a `hidden beast` number, since 1 + 1 + 3 + 2 + 212 + 443 + 1 + 3 = 666.

It is not a de Polignac number, because 113221244313 - 2² = 113221244309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4193379419 = 113221244313 / (1 + 1 + 3 + 2 + 2 + 1 + 2 + 4 + 4 + 3 + 1 + 3).

It is not an unprimeable number, because it can be changed into a prime (113221244333) 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 7 ways as a sum of consecutive naturals, for example, 2096689683 + ... + 2096689736.

It is an arithmetic number, because the mean of its divisors is an integer number (20966897100).

Almost surely, 2^113221244313 is an apocalyptic number.

It is an amenable number.

113221244313 is a deficient number, since it is larger than the sum of its proper divisors (54513932487).

113221244313 is an equidigital number, since it uses as much as digits as its factorization.

113221244313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4193379428 (or 4193379422 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 113221244313 its reverse (313442122311), we get a palindrome (426663366624).

The spelling of 113221244313 in words is "one hundred thirteen billion, two hundred twenty-one million, two hundred forty-four thousand, three hundred thirteen".