13310320131421 has 2 divisors, whose sum is σ = 13310320131422. Its totient is φ = 13310320131420.

The previous prime is 13310320131379. The next prime is 13310320131431. The reversal of 13310320131421 is 12413102301331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8470364131321 + 4839956000100 = 2910389^2 + 2199990^2 .

It is an emirp because it is prime and its reverse (12413102301331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13310320131421 - 2⁷ = 13310320131293 is a prime.

It is a super-2 number, since 2×13310320131421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13310320131431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655160065710 + 6655160065711.

It is an arithmetic number, because the mean of its divisors is an integer number (6655160065711).

Almost surely, 2^{13310320131421} is an apocalyptic number.

It is an amenable number.

13310320131421 is a deficient number, since it is larger than the sum of its proper divisors (1).

13310320131421 is an equidigital number, since it uses as much as digits as its factorization.

13310320131421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13310320131421 its reverse (12413102301331), we get a palindrome (25723422432752).

The spelling of 13310320131421 in words is "thirteen trillion, three hundred ten billion, three hundred twenty million, one hundred thirty-one thousand, four hundred twenty-one".