1313321111363 has 2 divisors, whose sum is σ = 1313321111364. Its totient is φ = 1313321111362.

The previous prime is 1313321111321. The next prime is 1313321111369. The reversal of 1313321111363 is 3631111233131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1313321111363 - 2⁸ = 1313321111107 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313321111369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656660555681 + 656660555682.

It is an arithmetic number, because the mean of its divisors is an integer number (656660555682).

Almost surely, 2^{1313321111363} is an apocalyptic number.

1313321111363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313321111363 is an equidigital number, since it uses as much as digits as its factorization.

1313321111363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 29.

Adding to 1313321111363 its reverse (3631111233131), we get a palindrome (4944432344494).

The spelling of 1313321111363 in words is "one trillion, three hundred thirteen billion, three hundred twenty-one million, one hundred eleven thousand, three hundred sixty-three".