11310320 has 80 divisors (see below), whose sum is σ = 31664640. Its totient is φ = 3670272.

The previous prime is 11310307. The next prime is 11310323. The reversal of 11310320 is 2301311.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11310323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10109 + ... + 11171.

It is an arithmetic number, because the mean of its divisors is an integer number (395808).

Almost surely, 2^11310320 is an apocalyptic number.

11310320 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 11310320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15832320).

11310320 is an abundant number, since it is smaller than the sum of its proper divisors (20354320).

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

11310320 is a wasteful number, since it uses less digits than its factorization.

11310320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 11310320 is about 3363.0819199062. The cubic root of 11310320 is about 224.4699953121.

Adding to 11310320 its reverse (2301311), we get a palindrome (13611631).

Subtracting from 11310320 its reverse (2301311), we obtain a palindrome (9009009).

The spelling of 11310320 in words is "eleven million, three hundred ten thousand, three hundred twenty".