1323321113 has 4 divisors (see below), whose sum is σ = 1323417360. Its totient is φ = 1323224868.

The previous prime is 1323321107. The next prime is 1323321133. The reversal of 1323321113 is 3111233231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1323321113 - 2⁸ = 1323320857 is a prime.

It is a super-2 number, since 2×1323321113² = 3502357536223117538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323321133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23195 + ... + 56432.

It is an arithmetic number, because the mean of its divisors is an integer number (330854340).

Almost surely, 2^1323321113 is an apocalyptic number.

It is an amenable number.

1323321113 is a deficient number, since it is larger than the sum of its proper divisors (96247).

1323321113 is an equidigital number, since it uses as much as digits as its factorization.

1323321113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96246.

The product of its digits is 324, while the sum is 20.

The square root of 1323321113 is about 36377.4808501084. The cubic root of 1323321113 is about 1097.8805229524.

Adding to 1323321113 its reverse (3111233231), we get a palindrome (4434554344).

The spelling of 1323321113 in words is "one billion, three hundred twenty-three million, three hundred twenty-one thousand, one hundred thirteen".