213304204 has 6 divisors (see below), whose sum is σ = 373282364. Its totient is φ = 106652100.

The previous prime is 213304177. The next prime is 213304207. The reversal of 213304204 is 402403312.

213304204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (213304207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26663022 + ... + 26663029.

Almost surely, 2^213304204 is an apocalyptic number.

It is an amenable number.

213304204 is a deficient number, since it is larger than the sum of its proper divisors (159978160).

213304204 is a wasteful number, since it uses less digits than its factorization.

213304204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53326055 (or 53326053 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 213304204 is about 14604.9376582031. The cubic root of 213304204 is about 597.4934357337.

Subtracting from 213304204 its sum of digits (19), we obtain a triangular number (213304185 = T₂₀₆₅₄).

Adding to 213304204 its reverse (402403312), we get a palindrome (615707516).

The spelling of 213304204 in words is "two hundred thirteen million, three hundred four thousand, two hundred four".