213444310304 has 48 divisors (see below), whose sum is σ = 421018606008. Its totient is φ = 106519160832.

The previous prime is 213444310301. The next prime is 213444310309. The reversal of 213444310304 is 403013444312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 163581420304 + 49862890000 = 404452^2 + 223300^2 .

It is not an unprimeable number, because it can be changed into a prime (213444310301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60687554 + ... + 60691070.

Almost surely, 2^213444310304 is an apocalyptic number.

It is an amenable number.

213444310304 is a deficient number, since it is larger than the sum of its proper divisors (207574295704).

213444310304 is a wasteful number, since it uses less digits than its factorization.

213444310304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597 (or 6589 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 213444310304 its reverse (403013444312), we get a palindrome (616457754616).

The spelling of 213444310304 in words is "two hundred thirteen billion, four hundred forty-four million, three hundred ten thousand, three hundred four".