13021313213 has 2 divisors, whose sum is σ = 13021313214. Its totient is φ = 13021313212.

The previous prime is 13021313209. The next prime is 13021313231. The reversal of 13021313213 is 31231312031.

Together with next prime (13021313231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9177065209 + 3844248004 = 95797^2 + 62002^2 .

It is a cyclic number.

It is not a de Polignac number, because 13021313213 - 2² = 13021313209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13021313273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510656606 + 6510656607.

It is an arithmetic number, because the mean of its divisors is an integer number (6510656607).

Almost surely, 2^13021313213 is an apocalyptic number.

It is an amenable number.

13021313213 is a deficient number, since it is larger than the sum of its proper divisors (1).

13021313213 is an equidigital number, since it uses as much as digits as its factorization.

13021313213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13021313213 its reverse (31231312031), we get a palindrome (44252625244).

The spelling of 13021313213 in words is "thirteen billion, twenty-one million, three hundred thirteen thousand, two hundred thirteen".