213424304 has 20 divisors (see below), whose sum is σ = 414482400. Its totient is φ = 106461120.

The previous prime is 213424301. The next prime is 213424339. The reversal of 213424304 is 403424312.

It is a self number, because there is not a number n which added to its sum of digits gives 213424304.

It is not an unprimeable number, because it can be changed into a prime (213424301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8579 + ... + 22370.

It is an arithmetic number, because the mean of its divisors is an integer number (20724120).

Almost surely, 2^213424304 is an apocalyptic number.

It is an amenable number.

213424304 is a deficient number, since it is larger than the sum of its proper divisors (201058096).

213424304 is a wasteful number, since it uses less digits than its factorization.

213424304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31388 (or 31382 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 213424304 is about 14609.0487027732. The cubic root of 213424304 is about 597.6055533833.

Adding to 213424304 its reverse (403424312), we get a palindrome (616848616).

The spelling of 213424304 in words is "two hundred thirteen million, four hundred twenty-four thousand, three hundred four".