13240312433 has 2 divisors, whose sum is σ = 13240312434. Its totient is φ = 13240312432.

The previous prime is 13240312403. The next prime is 13240312441. The reversal of 13240312433 is 33421304231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8494755889 + 4745556544 = 92167^2 + 68888^2 .

It is a cyclic number.

It is not a de Polignac number, because 13240312433 - 2⁶ = 13240312369 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13240312403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6620156216 + 6620156217.

It is an arithmetic number, because the mean of its divisors is an integer number (6620156217).

Almost surely, 2^13240312433 is an apocalyptic number.

It is an amenable number.

13240312433 is a deficient number, since it is larger than the sum of its proper divisors (1).

13240312433 is an equidigital number, since it uses as much as digits as its factorization.

13240312433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 13240312433 its reverse (33421304231), we get a palindrome (46661616664).

The spelling of 13240312433 in words is "thirteen billion, two hundred forty million, three hundred twelve thousand, four hundred thirty-three".