213332323213 has 4 divisors (see below), whose sum is σ = 225881283420. Its totient is φ = 200783363008.

The previous prime is 213332323201. The next prime is 213332323219. The reversal of 213332323213 is 312323233312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 124872477129 + 88459846084 = 353373^2 + 297422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213332323213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213332323219) 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, 6274480078 + ... + 6274480111.

It is an arithmetic number, because the mean of its divisors is an integer number (56470320855).

Almost surely, 2^213332323213 is an apocalyptic number.

It is an amenable number.

213332323213 is a deficient number, since it is larger than the sum of its proper divisors (12548960207).

213332323213 is a wasteful number, since it uses less digits than its factorization.

213332323213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12548960206.

The product of its digits is 11664, while the sum is 28.

Adding to 213332323213 its reverse (312323233312), we get a palindrome (525655556525).

The spelling of 213332323213 in words is "two hundred thirteen billion, three hundred thirty-two million, three hundred twenty-three thousand, two hundred thirteen".