1133133233 has 4 divisors (see below), whose sum is σ = 1149092928. Its totient is φ = 1117173540.

The previous prime is 1133133223. The next prime is 1133133307. The reversal of 1133133233 is 3323313311.

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 an emirpimes, since its reverse is a distinct semiprime: 3323313311 = 89 ⋅37340599.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133133233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1133133199 and 1133133208.

It is not an unprimeable number, because it can be changed into a prime (1133133223) 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, 7979741 + ... + 7979882.

It is an arithmetic number, because the mean of its divisors is an integer number (287273232).

Almost surely, 2^1133133233 is an apocalyptic number.

It is an amenable number.

1133133233 is a deficient number, since it is larger than the sum of its proper divisors (15959695).

1133133233 is an equidigital number, since it uses as much as digits as its factorization.

1133133233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15959694.

The product of its digits is 1458, while the sum is 23.

The square root of 1133133233 is about 33662.0443972139. The cubic root of 1133133233 is about 1042.5422374566.

Adding to 1133133233 its reverse (3323313311), we get a palindrome (4456446544).

The spelling of 1133133233 in words is "one billion, one hundred thirty-three million, one hundred thirty-three thousand, two hundred thirty-three".