113221310303 has 4 divisors (see below), whose sum is σ = 115630274400. Its totient is φ = 110812346208.

The previous prime is 113221310299. The next prime is 113221310329. The reversal of 113221310303 is 303013122311.

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 113221310303 - 2² = 113221310299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113221310383) 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, 1204481978 + ... + 1204482071.

It is an arithmetic number, because the mean of its divisors is an integer number (28907568600).

Almost surely, 2^113221310303 is an apocalyptic number.

113221310303 is a deficient number, since it is larger than the sum of its proper divisors (2408964097).

113221310303 is an equidigital number, since it uses as much as digits as its factorization.

113221310303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408964096.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 113221310303 its reverse (303013122311), we get a palindrome (416234432614).

The spelling of 113221310303 in words is "one hundred thirteen billion, two hundred twenty-one million, three hundred ten thousand, three hundred three".