11320311232 has 84 divisors (see below), whose sum is σ = 23221284520. Its totient is φ = 5475133440.

The previous prime is 11320311229. The next prime is 11320311239. The reversal of 11320311232 is 23211302311.

11320311232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320311239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14953798 + ... + 14954554.

Almost surely, 2^11320311232 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 11320311232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11610642260).

11320311232 is an abundant number, since it is smaller than the sum of its proper divisors (11900973288).

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

11320311232 is an equidigital number, since it uses as much as digits as its factorization.

11320311232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 939 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11320311232 its reverse (23211302311), we get a palindrome (34531613543).

The spelling of 11320311232 in words is "eleven billion, three hundred twenty million, three hundred eleven thousand, two hundred thirty-two".