13321022023213 has 6 divisors (see below), whose sum is σ = 13690780123146. Its totient is φ = 12960994399632.

The previous prime is 13321022023207. The next prime is 13321022023217. The reversal of 13321022023213 is 31232022012331.

It can be written as a sum of positive squares in 3 ways, for example, as 7431964702569 + 5889057320644 = 2726163^2 + 2426738^2 .

It is not a de Polignac number, because 13321022023213 - 2²¹ = 13321019926061 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 (13321022023217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4865236770 + ... + 4865239507.

It is an arithmetic number, because the mean of its divisors is an integer number (2281796687191).

Almost surely, 2^{13321022023213} is an apocalyptic number.

It is an amenable number.

13321022023213 is a deficient number, since it is larger than the sum of its proper divisors (369758099933).

13321022023213 is an frugal number, since it uses more digits than its factorization.

13321022023213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9730476351 (or 9730476314 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 13321022023213 its reverse (31232022012331), we get a palindrome (44553044035544).

The spelling of 13321022023213 in words is "thirteen trillion, three hundred twenty-one billion, twenty-two million, twenty-three thousand, two hundred thirteen".