1311300223613 has 2 divisors, whose sum is σ = 1311300223614. Its totient is φ = 1311300223612.

The previous prime is 1311300223561. The next prime is 1311300223657. The reversal of 1311300223613 is 3163220031131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1301144018329 + 10156205284 = 1140677^2 + 100778^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311300223613 - 2¹² = 1311300219517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311300222613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655650111806 + 655650111807.

It is an arithmetic number, because the mean of its divisors is an integer number (655650111807).

Almost surely, 2^{1311300223613} is an apocalyptic number.

It is an amenable number.

1311300223613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311300223613 is an equidigital number, since it uses as much as digits as its factorization.

1311300223613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 1311300223613 its reverse (3163220031131), we get a palindrome (4474520254744).

The spelling of 1311300223613 in words is "one trillion, three hundred eleven billion, three hundred million, two hundred twenty-three thousand, six hundred thirteen".