13106441321 has 2 divisors, whose sum is σ = 13106441322. Its totient is φ = 13106441320.

The previous prime is 13106441317. The next prime is 13106441347. The reversal of 13106441321 is 12314460131.

It is a happy number.

It is an a-pointer prime, because the next prime (13106441347) can be obtained adding 13106441321 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12452104921 + 654336400 = 111589^2 + 25580^2 .

It is a cyclic number.

It is not a de Polignac number, because 13106441321 - 2² = 13106441317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13106441351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6553220660 + 6553220661.

It is an arithmetic number, because the mean of its divisors is an integer number (6553220661).

Almost surely, 2^13106441321 is an apocalyptic number.

It is an amenable number.

13106441321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13106441321 is an equidigital number, since it uses as much as digits as its factorization.

13106441321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 13106441321 in words is "thirteen billion, one hundred six million, four hundred forty-one thousand, three hundred twenty-one".