213323219 has 4 divisors (see below), whose sum is σ = 213352440. Its totient is φ = 213294000.

The previous prime is 213323213. The next prime is 213323233. The reversal of 213323219 is 912323312.

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 213323219 - 2¹² = 213319123 is a prime.

It is a super-2 number, since 2×213323219² = 91013591529043922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213323213) 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, 6767 + ... + 21735.

It is an arithmetic number, because the mean of its divisors is an integer number (53338110).

Almost surely, 2^213323219 is an apocalyptic number.

213323219 is a deficient number, since it is larger than the sum of its proper divisors (29221).

213323219 is a wasteful number, since it uses less digits than its factorization.

213323219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29220.

The product of its digits is 1944, while the sum is 26.

The square root of 213323219 is about 14605.5886221679. The cubic root of 213323219 is about 597.5111897206.

It can be divided in two parts, 2133 and 23219, that added together give a palindrome (25352).

The spelling of 213323219 in words is "two hundred thirteen million, three hundred twenty-three thousand, two hundred nineteen".