111313620 has 144 divisors (see below), whose sum is σ = 390132288. Its totient is φ = 25390080.

The previous prime is 111313619. The next prime is 111313633. The reversal of 111313620 is 26313111.

111313620 is a `hidden beast` number, since 1 + 11 + 31 + 3 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111313593 and 111313602.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 32007 + ... + 35313.

It is an arithmetic number, because the mean of its divisors is an integer number (2709252).

Almost surely, 2^111313620 is an apocalyptic number.

111313620 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 111313620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195066144).

111313620 is an abundant number, since it is smaller than the sum of its proper divisors (278818668).

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

111313620 is a wasteful number, since it uses less digits than its factorization.

111313620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350 (or 3345 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 111313620 is about 10550.5270010554. The cubic root of 111313620 is about 481.0417478673.

Adding to 111313620 its reverse (26313111), we get a palindrome (137626731).

The spelling of 111313620 in words is "one hundred eleven million, three hundred thirteen thousand, six hundred twenty".