213323203211 has 4 divisors (see below), whose sum is σ = 213324177792. Its totient is φ = 213322228632.

The previous prime is 213323203207. The next prime is 213323203213. The reversal of 213323203211 is 112302323312.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 213323203211 - 2² = 213323203207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213323203213) 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, 10646 + ... + 653268.

It is an arithmetic number, because the mean of its divisors is an integer number (53331044448).

Almost surely, 2^213323203211 is an apocalyptic number.

213323203211 is a deficient number, since it is larger than the sum of its proper divisors (974581).

213323203211 is an equidigital number, since it uses as much as digits as its factorization.

213323203211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974580.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 213323203211 its reverse (112302323312), we get a palindrome (325625526523).

The spelling of 213323203211 in words is "two hundred thirteen billion, three hundred twenty-three million, two hundred three thousand, two hundred eleven".