1133133321 has 4 divisors (see below), whose sum is σ = 1510844432. Its totient is φ = 755422212.

The previous prime is 1133133319. The next prime is 1133133349. The reversal of 1133133321 is 1233313311.

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 not a de Polignac number, because 1133133321 - 2¹ = 1133133319 is a prime.

It is a super-2 number, since 2×1133133321² = 2567982246320978082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1133133311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188855551 + ... + 188855556.

It is an arithmetic number, because the mean of its divisors is an integer number (377711108).

Almost surely, 2^1133133321 is an apocalyptic number.

It is an amenable number.

1133133321 is a deficient number, since it is larger than the sum of its proper divisors (377711111).

1133133321 is an equidigital number, since it uses as much as digits as its factorization.

1133133321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377711110.

The product of its digits is 486, while the sum is 21.

The square root of 1133133321 is about 33662.0457043240. The cubic root of 1133133321 is about 1042.5422644448.

Adding to 1133133321 its reverse (1233313311), we get a palindrome (2366446632).

The spelling of 1133133321 in words is "one billion, one hundred thirty-three million, one hundred thirty-three thousand, three hundred twenty-one".