13313031233 has 2 divisors, whose sum is σ = 13313031234. Its totient is φ = 13313031232.

The previous prime is 13313031229. The next prime is 13313031241. The reversal of 13313031233 is 33213031331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8348842384 + 4964188849 = 91372^2 + 70457^2 .

It is a cyclic number.

It is not a de Polignac number, because 13313031233 - 2² = 13313031229 is a prime.

It is a super-2 number, since 2×13313031233² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13313031199 and 13313031208.

It is not a weakly prime, because it can be changed into another prime (13313031133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656515616 + 6656515617.

It is an arithmetic number, because the mean of its divisors is an integer number (6656515617).

Almost surely, 2^13313031233 is an apocalyptic number.

It is an amenable number.

13313031233 is a deficient number, since it is larger than the sum of its proper divisors (1).

13313031233 is an equidigital number, since it uses as much as digits as its factorization.

13313031233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 13313031233 its reverse (33213031331), we get a palindrome (46526062564).

The spelling of 13313031233 in words is "thirteen billion, three hundred thirteen million, thirty-one thousand, two hundred thirty-three".