1323312133 has 16 divisors (see below), whose sum is σ = 1636488000. Its totient is φ = 1052023680.

The previous prime is 1323312127. The next prime is 1323312149. The reversal of 1323312133 is 3312133231.

It is a cyclic number.

It is not a de Polignac number, because 1323312133 - 2⁹ = 1323311621 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 (1323312103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240808 + ... + 246241.

It is an arithmetic number, because the mean of its divisors is an integer number (102280500).

Almost surely, 2^1323312133 is an apocalyptic number.

1323312133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1323312133 is a deficient number, since it is larger than the sum of its proper divisors (313175867).

1323312133 is a wasteful number, since it uses less digits than its factorization.

1323312133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487092.

The product of its digits is 972, while the sum is 22.

The square root of 1323312133 is about 36377.3574218909. The cubic root of 1323312133 is about 1097.8780395569.

Adding to 1323312133 its reverse (3312133231), we get a palindrome (4635445364).

The spelling of 1323312133 in words is "one billion, three hundred twenty-three million, three hundred twelve thousand, one hundred thirty-three".