11330031133 has 4 divisors (see below), whose sum is σ = 11350372860. Its totient is φ = 11309689408.

The previous prime is 11330031131. The next prime is 11330031149. The reversal of 11330031133 is 33113003311.

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 1016206884 + 10313824249 = 31878^2 + 101557^2 .

It is a cyclic number.

It is not a de Polignac number, because 11330031133 - 2¹ = 11330031131 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 11330031133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11330031131) 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, 10170028 + ... + 10171141.

It is an arithmetic number, because the mean of its divisors is an integer number (2837593215).

Almost surely, 2^11330031133 is an apocalyptic number.

It is an amenable number.

11330031133 is a deficient number, since it is larger than the sum of its proper divisors (20341727).

11330031133 is an equidigital number, since it uses as much as digits as its factorization.

11330031133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20341726.

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

Adding to 11330031133 its reverse (33113003311), we get a palindrome (44443034444).

The spelling of 11330031133 in words is "eleven billion, three hundred thirty million, thirty-one thousand, one hundred thirty-three".