113313228 has 96 divisors (see below), whose sum is σ = 324624384. Its totient is φ = 30025728.

The previous prime is 113313227. The next prime is 113313241. The reversal of 113313228 is 822313311.

It is a junction number, because it is equal to n+sod(n) for n = 113313198 and 113313207.

It is not an unprimeable number, because it can be changed into a prime (113313223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103701 + ... + 104787.

It is an arithmetic number, because the mean of its divisors is an integer number (3381504).

Almost surely, 2^113313228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113313228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162312192).

113313228 is an abundant number, since it is smaller than the sum of its proper divisors (211311156).

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

113313228 is a wasteful number, since it uses less digits than its factorization.

113313228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191 (or 1189 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 113313228 is about 10644.8686229563. The cubic root of 113313228 is about 483.9051051350.

Adding to 113313228 its reverse (822313311), we get a palindrome (935626539).

The spelling of 113313228 in words is "one hundred thirteen million, three hundred thirteen thousand, two hundred twenty-eight".