13321361233 has 2 divisors, whose sum is σ = 13321361234. Its totient is φ = 13321361232.

The previous prime is 13321361213. The next prime is 13321361239. The reversal of 13321361233 is 33216312331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12522281409 + 799079824 = 111903^2 + 28268^2 .

It is a cyclic number.

It is not a de Polignac number, because 13321361233 - 2⁵ = 13321361201 is a prime.

It is not a weakly prime, because it can be changed into another prime (13321361239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660680616 + 6660680617.

It is an arithmetic number, because the mean of its divisors is an integer number (6660680617).

Almost surely, 2^13321361233 is an apocalyptic number.

It is an amenable number.

13321361233 is a deficient number, since it is larger than the sum of its proper divisors (1).

13321361233 is an equidigital number, since it uses as much as digits as its factorization.

13321361233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 28.

Adding to 13321361233 its reverse (33216312331), we get a palindrome (46537673564).

The spelling of 13321361233 in words is "thirteen billion, three hundred twenty-one million, three hundred sixty-one thousand, two hundred thirty-three".