13220280233 has 2 divisors, whose sum is σ = 13220280234. Its totient is φ = 13220280232.

The previous prime is 13220280209. The next prime is 13220280263. The reversal of 13220280233 is 33208202231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13179728809 + 40551424 = 114803^2 + 6368^2 .

It is an emirp because it is prime and its reverse (33208202231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13220280233 - 2⁶ = 13220280169 is a prime.

It is not a weakly prime, because it can be changed into another prime (13220280263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610140116 + 6610140117.

It is an arithmetic number, because the mean of its divisors is an integer number (6610140117).

Almost surely, 2^13220280233 is an apocalyptic number.

It is an amenable number.

13220280233 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220280233 is an equidigital number, since it uses as much as digits as its factorization.

13220280233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13220280233 its reverse (33208202231), we get a palindrome (46428482464).

The spelling of 13220280233 in words is "thirteen billion, two hundred twenty million, two hundred eighty thousand, two hundred thirty-three".