13333451213 has 2 divisors, whose sum is σ = 13333451214. Its totient is φ = 13333451212.

The previous prime is 13333451149. The next prime is 13333451227. The reversal of 13333451213 is 31215433331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12505277929 + 828173284 = 111827^2 + 28778^2 .

It is an emirp because it is prime and its reverse (31215433331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13333451213 - 2⁶ = 13333451149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13333451273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6666725606 + 6666725607.

It is an arithmetic number, because the mean of its divisors is an integer number (6666725607).

Almost surely, 2^13333451213 is an apocalyptic number.

It is an amenable number.

13333451213 is a deficient number, since it is larger than the sum of its proper divisors (1).

13333451213 is an equidigital number, since it uses as much as digits as its factorization.

13333451213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 29.

Adding to 13333451213 its reverse (31215433331), we get a palindrome (44548884544).

The spelling of 13333451213 in words is "thirteen billion, three hundred thirty-three million, four hundred fifty-one thousand, two hundred thirteen".