1133003321 has 4 divisors (see below), whose sum is σ = 1133162100. Its totient is φ = 1132844544.

The previous prime is 1133003297. The next prime is 1133003329. The reversal of 1133003321 is 1233003311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1233003311 = 47 ⋅26234113.

It can be written as a sum of positive squares in 2 ways, for example, as 765130921 + 367872400 = 27661^2 + 19180^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133003321 - 2⁶ = 1133003257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1133003321.

It is not an unprimeable number, because it can be changed into a prime (1133003329) 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 3 ways as a sum of consecutive naturals, for example, 68156 + ... + 83133.

It is an arithmetic number, because the mean of its divisors is an integer number (283290525).

Almost surely, 2^1133003321 is an apocalyptic number.

It is an amenable number.

1133003321 is a deficient number, since it is larger than the sum of its proper divisors (158779).

1133003321 is an equidigital number, since it uses as much as digits as its factorization.

1133003321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158778.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1133003321 is about 33660.1146908325. The cubic root of 1133003321 is about 1042.5023939738.

Adding to 1133003321 its reverse (1233003311), we get a palindrome (2366006632).

The spelling of 1133003321 in words is "one billion, one hundred thirty-three million, three thousand, three hundred twenty-one".