13231030217 has 2 divisors, whose sum is σ = 13231030218. Its totient is φ = 13231030216.

The previous prime is 13231030213. The next prime is 13231030243. The reversal of 13231030217 is 71203013231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11087247616 + 2143782601 = 105296^2 + 46301^2 .

It is a cyclic number.

It is not a de Polignac number, because 13231030217 - 2² = 13231030213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13231030192 and 13231030201.

It is not a weakly prime, because it can be changed into another prime (13231030213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615515108 + 6615515109.

It is an arithmetic number, because the mean of its divisors is an integer number (6615515109).

Almost surely, 2^13231030217 is an apocalyptic number.

It is an amenable number.

13231030217 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231030217 is an equidigital number, since it uses as much as digits as its factorization.

13231030217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 13231030217 its reverse (71203013231), we get a palindrome (84434043448).

The spelling of 13231030217 in words is "thirteen billion, two hundred thirty-one million, thirty thousand, two hundred seventeen".