11133304031 has 4 divisors (see below), whose sum is σ = 11617360752. Its totient is φ = 10649247312.

The previous prime is 11133304003. The next prime is 11133304037. The reversal of 11133304031 is 13040333111.

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

It is a cyclic number.

It is not a de Polignac number, because 11133304031 - 2³⁰ = 10059562207 is a prime.

It is a super-2 number, since 2×11133304031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11133303994 and 11133304012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133304037) 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, 242028326 + ... + 242028371.

It is an arithmetic number, because the mean of its divisors is an integer number (2904340188).

Almost surely, 2^11133304031 is an apocalyptic number.

11133304031 is a deficient number, since it is larger than the sum of its proper divisors (484056721).

11133304031 is an equidigital number, since it uses as much as digits as its factorization.

11133304031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484056720.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11133304031 its reverse (13040333111), we get a palindrome (24173637142).

The spelling of 11133304031 in words is "eleven billion, one hundred thirty-three million, three hundred four thousand, thirty-one".