11031103133 has 8 divisors (see below), whose sum is σ = 11074246200. Its totient is φ = 10988011008.

The previous prime is 11031103099. The next prime is 11031103141. The reversal of 11031103133 is 33130113011.

It can be written as a sum of positive squares in 4 ways, for example, as 401080729 + 10630022404 = 20027^2 + 103102^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11031103133 - 2⁸ = 11031102877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031100133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454223 + ... + 477891.

It is an arithmetic number, because the mean of its divisors is an integer number (1384280775).

Almost surely, 2^11031103133 is an apocalyptic number.

It is an amenable number.

11031103133 is a deficient number, since it is larger than the sum of its proper divisors (43143067).

11031103133 is a wasteful number, since it uses less digits than its factorization.

11031103133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25471.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 11031103133 its reverse (33130113011), we get a palindrome (44161216144).

The spelling of 11031103133 in words is "eleven billion, thirty-one million, one hundred three thousand, one hundred thirty-three".