13312111213 has 2 divisors, whose sum is σ = 13312111214. Its totient is φ = 13312111212.

The previous prime is 13312111157. The next prime is 13312111229. The reversal of 13312111213 is 31211121331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11763137764 + 1548973449 = 108458^2 + 39357^2 .

It is a cyclic number.

It is not a de Polignac number, because 13312111213 - 2¹⁷ = 13311980141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13312111013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656055606 + 6656055607.

It is an arithmetic number, because the mean of its divisors is an integer number (6656055607).

Almost surely, 2^13312111213 is an apocalyptic number.

It is an amenable number.

13312111213 is a deficient number, since it is larger than the sum of its proper divisors (1).

13312111213 is an equidigital number, since it uses as much as digits as its factorization.

13312111213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 19.

Adding to 13312111213 its reverse (31211121331), we get a palindrome (44523232544).

The spelling of 13312111213 in words is "thirteen billion, three hundred twelve million, one hundred eleven thousand, two hundred thirteen".