1310230217 has 2 divisors, whose sum is σ = 1310230218. Its totient is φ = 1310230216.

The previous prime is 1310230193. The next prime is 1310230219. The reversal of 1310230217 is 7120320131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1300395721 + 9834496 = 36061^2 + 3136^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310230217 - 2¹⁸ = 1309968073 is a prime.

Together with 1310230219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1310230219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655115108 + 655115109.

It is an arithmetic number, because the mean of its divisors is an integer number (655115109).

Almost surely, 2^1310230217 is an apocalyptic number.

It is an amenable number.

1310230217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310230217 is an equidigital number, since it uses as much as digits as its factorization.

1310230217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1310230217 is about 36197.1023287776. The cubic root of 1310230217 is about 1094.2482742503.

Adding to 1310230217 its reverse (7120320131), we get a palindrome (8430550348).

The spelling of 1310230217 in words is "one billion, three hundred ten million, two hundred thirty thousand, two hundred seventeen".