13313111233 has 2 divisors, whose sum is σ = 13313111234. Its totient is φ = 13313111232.

The previous prime is 13313111219. The next prime is 13313111237. The reversal of 13313111233 is 33211131331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12806996224 + 506115009 = 113168^2 + 22497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13313111233 is a prime.

It is not a weakly prime, because it can be changed into another prime (13313111237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656555616 + 6656555617.

It is an arithmetic number, because the mean of its divisors is an integer number (6656555617).

Almost surely, 2^13313111233 is an apocalyptic number.

It is an amenable number.

13313111233 is a deficient number, since it is larger than the sum of its proper divisors (1).

13313111233 is an equidigital number, since it uses as much as digits as its factorization.

13313111233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486, while the sum is 22.

Adding to 13313111233 its reverse (33211131331), we get a palindrome (46524242564).

The spelling of 13313111233 in words is "thirteen billion, three hundred thirteen million, one hundred eleven thousand, two hundred thirty-three".