1321322333 has 4 divisors (see below), whose sum is σ = 1321538400. Its totient is φ = 1321106268.

The previous prime is 1321322323. The next prime is 1321322357. The reversal of 1321322333 is 3332231231.

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.

It is a cyclic number.

It is not a de Polignac number, because 1321322333 - 2⁸ = 1321322077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1321322299 and 1321322308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321322323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98585 + ... + 111182.

It is an arithmetic number, because the mean of its divisors is an integer number (330384600).

Almost surely, 2^1321322333 is an apocalyptic number.

It is an amenable number.

1321322333 is a deficient number, since it is larger than the sum of its proper divisors (216067).

1321322333 is an equidigital number, since it uses as much as digits as its factorization.

1321322333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216066.

The product of its digits is 1944, while the sum is 23.

The square root of 1321322333 is about 36349.9977028885. The cubic root of 1321322333 is about 1097.3274882742.

Adding to 1321322333 its reverse (3332231231), we get a palindrome (4653553564).

The spelling of 1321322333 in words is "one billion, three hundred twenty-one million, three hundred twenty-two thousand, three hundred thirty-three".