1323321311311 has 16 divisors (see below), whose sum is σ = 1398153352960. Its totient is φ = 1249012923840.

The previous prime is 1323321311297. The next prime is 1323321311357. The reversal of 1323321311311 is 1131131233231.

It is a cyclic number.

It is not a de Polignac number, because 1323321311311 - 2⁷ = 1323321311183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323321311111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9027475 + ... + 9172891.

It is an arithmetic number, because the mean of its divisors is an integer number (87384584560).

Almost surely, 2^{1323321311311} is an apocalyptic number.

1323321311311 is a deficient number, since it is larger than the sum of its proper divisors (74832041649).

1323321311311 is a wasteful number, since it uses less digits than its factorization.

1323321311311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147214.

The product of its digits is 972, while the sum is 25.

Adding to 1323321311311 its reverse (1131131233231), we get a palindrome (2454452544542).

The spelling of 1323321311311 in words is "one trillion, three hundred twenty-three billion, three hundred twenty-one million, three hundred eleven thousand, three hundred eleven".