213313302221 has 8 divisors (see below), whose sum is σ = 214630686144. Its totient is φ = 211996395520.

The previous prime is 213313302199. The next prime is 213313302239. The reversal of 213313302221 is 122203313312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213313302221 - 2¹⁰ = 213313301197 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 (213313304221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799181 + ... + 1032141.

It is an arithmetic number, because the mean of its divisors is an integer number (26828835768).

Almost surely, 2^213313302221 is an apocalyptic number.

It is an amenable number.

213313302221 is a deficient number, since it is larger than the sum of its proper divisors (1317383923).

213313302221 is a wasteful number, since it uses less digits than its factorization.

213313302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238611.

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

Adding to 213313302221 its reverse (122203313312), we get a palindrome (335516615533).

The spelling of 213313302221 in words is "two hundred thirteen billion, three hundred thirteen million, three hundred two thousand, two hundred twenty-one".