213053004344 has 16 divisors (see below), whose sum is σ = 399784312800. Its totient is φ = 106443854272.

The previous prime is 213053004341. The next prime is 213053004401. The reversal of 213053004344 is 443400350312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213053004341) 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, 10320032 + ... + 10340655.

It is an arithmetic number, because the mean of its divisors is an integer number (24986519550).

Almost surely, 2^213053004344 is an apocalyptic number.

It is an amenable number.

213053004344 is a deficient number, since it is larger than the sum of its proper divisors (186731308456).

213053004344 is a wasteful number, since it uses less digits than its factorization.

213053004344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20661982 (or 20661978 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 213053004344 its reverse (443400350312), we get a palindrome (656453354656).

The spelling of 213053004344 in words is "two hundred thirteen billion, fifty-three million, four thousand, three hundred forty-four".