11031103232 has 72 divisors (see below), whose sum is σ = 23029633536. Its totient is φ = 5263543296.

The previous prime is 11031103211. The next prime is 11031103247. The reversal of 11031103232 is 23230113011.

It is a self number, because there is not a number n which added to its sum of digits gives 11031103232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2865533 + ... + 2869379.

Almost surely, 2^11031103232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11031103232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11514816768).

11031103232 is an abundant number, since it is smaller than the sum of its proper divisors (11998530304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11031103232 is an equidigital number, since it uses as much as digits as its factorization.

11031103232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4373 (or 4359 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11031103232 its reverse (23230113011), we get a palindrome (34261216243).

The spelling of 11031103232 in words is "eleven billion, thirty-one million, one hundred three thousand, two hundred thirty-two".