213043304 has 16 divisors (see below), whose sum is σ = 399840000. Its totient is φ = 106419312.

The previous prime is 213043289. The next prime is 213043351. The reversal of 213043304 is 403340312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3554 + ... + 20945.

It is an arithmetic number, because the mean of its divisors is an integer number (24990000).

Almost surely, 2^213043304 is an apocalyptic number.

It is an amenable number.

213043304 is a deficient number, since it is larger than the sum of its proper divisors (186796696).

213043304 is a wasteful number, since it uses less digits than its factorization.

213043304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25592 (or 25588 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 213043304 is about 14596.0030145242. The cubic root of 213043304 is about 597.2497311493.

Adding to 213043304 its reverse (403340312), we get a palindrome (616383616).

The spelling of 213043304 in words is "two hundred thirteen million, forty-three thousand, three hundred four".