213313202321 has 4 divisors (see below), whose sum is σ = 218273974512. Its totient is φ = 208352430132.

The previous prime is 213313202303. The next prime is 213313202423. The reversal of 213313202321 is 123202313312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213313202321 - 2¹⁴ = 213313185937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213313202621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2480386031 + ... + 2480386116.

It is an arithmetic number, because the mean of its divisors is an integer number (54568493628).

Almost surely, 2^213313202321 is an apocalyptic number.

It is an amenable number.

213313202321 is a deficient number, since it is larger than the sum of its proper divisors (4960772191).

213313202321 is an equidigital number, since it uses as much as digits as its factorization.

213313202321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4960772190.

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

Adding to 213313202321 its reverse (123202313312), we get a palindrome (336515515633).

The spelling of 213313202321 in words is "two hundred thirteen billion, three hundred thirteen million, two hundred two thousand, three hundred twenty-one".