1323113333291 has 2 divisors, whose sum is σ = 1323113333292. Its totient is φ = 1323113333290.

The previous prime is 1323113333261. The next prime is 1323113333383. The reversal of 1323113333291 is 1923333113231.

It is a weak prime.

It is an emirp because it is prime and its reverse (1923333113231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1323113333291 - 2²⁶ = 1323046224427 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1323113333261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661556666645 + 661556666646.

It is an arithmetic number, because the mean of its divisors is an integer number (661556666646).

Almost surely, 2^{1323113333291} is an apocalyptic number.

1323113333291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323113333291 is an equidigital number, since it uses as much as digits as its factorization.

1323113333291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26244, while the sum is 35.

The spelling of 1323113333291 in words is "one trillion, three hundred twenty-three billion, one hundred thirteen million, three hundred thirty-three thousand, two hundred ninety-one".