11333031320 has 64 divisors (see below), whose sum is σ = 27506092320. Its totient is φ = 4177603584.

The previous prime is 11333031319. The next prime is 11333031323. The reversal of 11333031320 is 2313033311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11333031292 and 11333031301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11333031323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303179 + ... + 338501.

Almost surely, 2^11333031320 is an apocalyptic number.

11333031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11333031320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13753046160).

11333031320 is an abundant number, since it is smaller than the sum of its proper divisors (16173061000).

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

11333031320 is a wasteful number, since it uses less digits than its factorization.

11333031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35964 (or 35960 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 11333031320 its reverse (2313033311), we get a palindrome (13646064631).

The spelling of 11333031320 in words is "eleven billion, three hundred thirty-three million, thirty-one thousand, three hundred twenty".