213133101311 has 4 divisors (see below), whose sum is σ = 229527955272. Its totient is φ = 196738247352.

The previous prime is 213133101281. The next prime is 213133101319. The reversal of 213133101311 is 113101331312.

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 213133101311 - 2¹⁰ = 213133100287 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 (213133101319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8197426961 + ... + 8197426986.

It is an arithmetic number, because the mean of its divisors is an integer number (57381988818).

Almost surely, 2^213133101311 is an apocalyptic number.

213133101311 is a deficient number, since it is larger than the sum of its proper divisors (16394853961).

213133101311 is a wasteful number, since it uses less digits than its factorization.

213133101311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16394853960.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 213133101311 its reverse (113101331312), we get a palindrome (326234432623).

The spelling of 213133101311 in words is "two hundred thirteen billion, one hundred thirty-three million, one hundred one thousand, three hundred eleven".