111313320 has 128 divisors (see below), whose sum is σ = 344615040. Its totient is φ = 28753920.

The previous prime is 111313313. The next prime is 111313327. The reversal of 111313320 is 23313111.

It is an interprime number because it is at equal distance from previous prime (111313313) and next prime (111313327).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111313320.

It is not an unprimeable number, because it can be changed into a prime (111313327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 849655 + ... + 849785.

It is an arithmetic number, because the mean of its divisors is an integer number (2692305).

Almost surely, 2^111313320 is an apocalyptic number.

111313320 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 111313320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172307520).

111313320 is an abundant number, since it is smaller than the sum of its proper divisors (233301720).

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

111313320 is a wasteful number, since it uses less digits than its factorization.

111313320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 111313320 is about 10550.5127837466. The cubic root of 111313320 is about 481.0413157169.

Adding to 111313320 its reverse (23313111), we get a palindrome (134626431).

The spelling of 111313320 in words is "one hundred eleven million, three hundred thirteen thousand, three hundred twenty".