13043020217 has 2 divisors, whose sum is σ = 13043020218. Its totient is φ = 13043020216.

The previous prime is 13043020171. The next prime is 13043020241. The reversal of 13043020217 is 71202034031.

13043020217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11418204736 + 1624815481 = 106856^2 + 40309^2 .

It is a cyclic number.

It is not a de Polignac number, because 13043020217 - 2⁶ = 13043020153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13043020192 and 13043020201.

It is not a weakly prime, because it can be changed into another prime (13043020247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6521510108 + 6521510109.

It is an arithmetic number, because the mean of its divisors is an integer number (6521510109).

Almost surely, 2^13043020217 is an apocalyptic number.

It is an amenable number.

13043020217 is a deficient number, since it is larger than the sum of its proper divisors (1).

13043020217 is an equidigital number, since it uses as much as digits as its factorization.

13043020217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

Adding to 13043020217 its reverse (71202034031), we get a palindrome (84245054248).

The spelling of 13043020217 in words is "thirteen billion, forty-three million, twenty thousand, two hundred seventeen".