213342202243311 has 4 divisors (see below), whose sum is σ = 284456269657752. Its totient is φ = 142228134828872.

The previous prime is 213342202243297. The next prime is 213342202243333. The reversal of 213342202243311 is 113342202243312.

It is a happy number.

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 213342202243311 - 2¹³ = 213342202235119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213342202243381) 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, 35557033707216 + ... + 35557033707221.

It is an arithmetic number, because the mean of its divisors is an integer number (71114067414438).

Almost surely, 2^{213342202243311} is an apocalyptic number.

213342202243311 is a deficient number, since it is larger than the sum of its proper divisors (71114067414441).

213342202243311 is an equidigital number, since it uses as much as digits as its factorization.

213342202243311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71114067414440.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 213342202243311 its reverse (113342202243312), we get a palindrome (326684404486623).

Subtracting from 213342202243311 its reverse (113342202243312), we obtain a palindrome (99999999999999).

The spelling of 213342202243311 in words is "two hundred thirteen trillion, three hundred forty-two billion, two hundred two million, two hundred forty-three thousand, three hundred eleven".