113313204 has 18 divisors (see below), whose sum is σ = 286430690. Its totient is φ = 37771056.

The previous prime is 113313191. The next prime is 113313209. The reversal of 113313204 is 402313311.

113313204 is a `hidden beast` number, since 11 + 331 + 320 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 94128804 + 19184400 = 9702^2 + 4380^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113313209) 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 5 ways as a sum of consecutive naturals, for example, 1573759 + ... + 1573830.

Almost surely, 2^113313204 is an apocalyptic number.

It is an amenable number.

113313204 is an abundant number, since it is smaller than the sum of its proper divisors (173117486).

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

113313204 is a wasteful number, since it uses less digits than its factorization.

113313204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147599 (or 3147594 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 113313204 is about 10644.8674956525. The cubic root of 113313204 is about 483.9050709710.

Adding to 113313204 its reverse (402313311), we get a palindrome (515626515).

It can be divided in two parts, 11331 and 3204, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 113313204 in words is "one hundred thirteen million, three hundred thirteen thousand, two hundred four".