211320513304 has 32 divisors (see below), whose sum is σ = 402189753600. Its totient is φ = 104070304800.

The previous prime is 211320513289. The next prime is 211320513331. The reversal of 211320513304 is 403315023112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5421517 + ... + 5460355.

It is an arithmetic number, because the mean of its divisors is an integer number (12568429800).

Almost surely, 2^211320513304 is an apocalyptic number.

It is an amenable number.

211320513304 is a deficient number, since it is larger than the sum of its proper divisors (190869240296).

211320513304 is a wasteful number, since it uses less digits than its factorization.

211320513304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49063 (or 49059 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 211320513304 its reverse (403315023112), we get a palindrome (614635536416).

The spelling of 211320513304 in words is "two hundred eleven billion, three hundred twenty million, five hundred thirteen thousand, three hundred four".