1133031133 has 4 divisors (see below), whose sum is σ = 1220187388. Its totient is φ = 1045874880.

The previous prime is 1133031127. The next prime is 1133031223. The reversal of 1133031133 is 3311303311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 133333209 + 999697924 = 11547^2 + 31618^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133031133 - 2⁹ = 1133030621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1133031133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133031233) 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, 43578108 + ... + 43578133.

It is an arithmetic number, because the mean of its divisors is an integer number (305046847).

Almost surely, 2^1133031133 is an apocalyptic number.

1133031133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1133031133 is a deficient number, since it is larger than the sum of its proper divisors (87156255).

1133031133 is an equidigital number, since it uses as much as digits as its factorization.

1133031133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87156254.

The product of its (nonzero) digits is 243, while the sum is 19.

The square root of 1133031133 is about 33660.5278182027. The cubic root of 1133031133 is about 1042.5109240575.

Adding to 1133031133 its reverse (3311303311), we get a palindrome (4444334444).

The spelling of 1133031133 in words is "one billion, one hundred thirty-three million, thirty-one thousand, one hundred thirty-three".