113221304 has 32 divisors (see below), whose sum is σ = 255388800. Its totient is φ = 45969120.

The previous prime is 113221271. The next prime is 113221319. The reversal of 113221304 is 403122311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52142 + ... + 54269.

It is an arithmetic number, because the mean of its divisors is an integer number (7980900).

Almost surely, 2^113221304 is an apocalyptic number.

113221304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

113221304 is an abundant number, since it is smaller than the sum of its proper divisors (142167496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113221304 is a wasteful number, since it uses less digits than its factorization.

113221304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106443 (or 106439 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 113221304 is about 10640.5499857855. The cubic root of 113221304 is about 483.7742156595.

Adding to 113221304 its reverse (403122311), we get a palindrome (516343615).

The spelling of 113221304 in words is "one hundred thirteen million, two hundred twenty-one thousand, three hundred four".