13103331217 has 2 divisors, whose sum is σ = 13103331218. Its totient is φ = 13103331216.

The previous prime is 13103331191. The next prime is 13103331271. The reversal of 13103331217 is 71213330131.

Together with next prime (13103331271) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11309046336 + 1794284881 = 106344^2 + 42359^2 .

It is a cyclic number.

It is not a de Polignac number, because 13103331217 - 2²⁷ = 12969113489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13103331191 and 13103331200.

It is not a weakly prime, because it can be changed into another prime (13103371217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6551665608 + 6551665609.

It is an arithmetic number, because the mean of its divisors is an integer number (6551665609).

Almost surely, 2^13103331217 is an apocalyptic number.

It is an amenable number.

13103331217 is a deficient number, since it is larger than the sum of its proper divisors (1).

13103331217 is an equidigital number, since it uses as much as digits as its factorization.

13103331217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

Adding to 13103331217 its reverse (71213330131), we get a palindrome (84316661348).

The spelling of 13103331217 in words is "thirteen billion, one hundred three million, three hundred thirty-one thousand, two hundred seventeen".