13020223213 has 2 divisors, whose sum is σ = 13020223214. Its totient is φ = 13020223212.

The previous prime is 13020223187. The next prime is 13020223219. The reversal of 13020223213 is 31232202031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7901965449 + 5118257764 = 88893^2 + 71542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13020223213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13020223219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510111606 + 6510111607.

It is an arithmetic number, because the mean of its divisors is an integer number (6510111607).

Almost surely, 2^13020223213 is an apocalyptic number.

It is an amenable number.

13020223213 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020223213 is an equidigital number, since it uses as much as digits as its factorization.

13020223213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13020223213 its reverse (31232202031), we get a palindrome (44252425244).

The spelling of 13020223213 in words is "thirteen billion, twenty million, two hundred twenty-three thousand, two hundred thirteen".