213304124 has 18 divisors (see below), whose sum is σ = 410302872. Its totient is φ = 96956200.

The previous prime is 213304121. The next prime is 213304141. The reversal of 213304124 is 421403312.

It is a junction number, because it is equal to n+sod(n) for n = 213304096 and 213304105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213304121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 219872 + ... + 220839.

It is an arithmetic number, because the mean of its divisors is an integer number (22794604).

Almost surely, 2^213304124 is an apocalyptic number.

It is an amenable number.

213304124 is a deficient number, since it is larger than the sum of its proper divisors (196998748).

213304124 is a wasteful number, since it uses less digits than its factorization.

213304124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440737 (or 440724 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 213304124 is about 14604.9349194031. The cubic root of 213304124 is about 597.4933610369.

Adding to 213304124 its reverse (421403312), we get a palindrome (634707436).

The spelling of 213304124 in words is "two hundred thirteen million, three hundred four thousand, one hundred twenty-four".