213020232321311 has 16 divisors (see below), whose sum is σ = 225790183916640. Its totient is φ = 200614115896320.

The previous prime is 213020232321203. The next prime is 213020232321313. The reversal of 213020232321311 is 113123232020312.

213020232321311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213020232321311 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 (213020232321313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14294426 + ... + 25107191.

It is an arithmetic number, because the mean of its divisors is an integer number (14111886494790).

Almost surely, 2^{213020232321311} is an apocalyptic number.

213020232321311 is a deficient number, since it is larger than the sum of its proper divisors (12769951595329).

213020232321311 is a wasteful number, since it uses less digits than its factorization.

213020232321311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39406234.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 213020232321311 its reverse (113123232020312), we get a palindrome (326143464341623).

The spelling of 213020232321311 in words is "two hundred thirteen trillion, twenty billion, two hundred thirty-two million, three hundred twenty-one thousand, three hundred eleven".