213312213313 has 4 divisors (see below), whose sum is σ = 213313528240. Its totient is φ = 213310898388.

The previous prime is 213312213299. The next prime is 213312213353. The reversal of 213312213313 is 313312213312.

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 213312213313 - 2⁵ = 213312213281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213312213353) 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, 373143 + ... + 752236.

It is an arithmetic number, because the mean of its divisors is an integer number (53328382060).

Almost surely, 2^213312213313 is an apocalyptic number.

It is an amenable number.

213312213313 is a deficient number, since it is larger than the sum of its proper divisors (1314927).

213312213313 is a wasteful number, since it uses less digits than its factorization.

213312213313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314926.

The product of its digits is 1944, while the sum is 25.

Adding to 213312213313 its reverse (313312213312), we get a palindrome (526624426625).

Subtracting 213312213313 from its reverse (313312213312), we obtain a palindrome (99999999999).

The spelling of 213312213313 in words is "two hundred thirteen billion, three hundred twelve million, two hundred thirteen thousand, three hundred thirteen".