22013310031213 has 2 divisors, whose sum is σ = 22013310031214. Its totient is φ = 22013310031212.

The previous prime is 22013310031199. The next prime is 22013310031247. The reversal of 22013310031213 is 31213001331022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21890542485289 + 122767545924 = 4678733^2 + 350382^2 .

It is a cyclic number.

It is not a de Polignac number, because 22013310031213 - 2²⁵ = 22013276476781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22013310331213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006655015606 + 11006655015607.

It is an arithmetic number, because the mean of its divisors is an integer number (11006655015607).

Almost surely, 2^{22013310031213} is an apocalyptic number.

It is an amenable number.

22013310031213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22013310031213 is an equidigital number, since it uses as much as digits as its factorization.

22013310031213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 22013310031213 its reverse (31213001331022), we get a palindrome (53226311362235).

The spelling of 22013310031213 in words is "twenty-two trillion, thirteen billion, three hundred ten million, thirty-one thousand, two hundred thirteen".