213342243311 has 4 divisors (see below), whose sum is σ = 214096103112. Its totient is φ = 212588383512.

The previous prime is 213342243293. The next prime is 213342243313. The reversal of 213342243311 is 113342243312.

213342243311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 213342243311 - 2³⁴ = 196162374127 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 (213342243313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376929476 + ... + 376930041.

It is an arithmetic number, because the mean of its divisors is an integer number (53524025778).

Almost surely, 2^213342243311 is an apocalyptic number.

213342243311 is a deficient number, since it is larger than the sum of its proper divisors (753859801).

213342243311 is an equidigital number, since it uses as much as digits as its factorization.

213342243311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753859800.

The product of its digits is 10368, while the sum is 29.

Adding to 213342243311 its reverse (113342243312), we get a palindrome (326684486623).

Subtracting from 213342243311 its reverse (113342243312), we obtain a palindrome (99999999999).

The spelling of 213342243311 in words is "two hundred thirteen billion, three hundred forty-two million, two hundred forty-three thousand, three hundred eleven".