111312032 has 48 divisors (see below), whose sum is σ = 248441760. Its totient is φ = 48667392.

The previous prime is 111312029. The next prime is 111312053. The reversal of 111312032 is 230213111.

It is a junction number, because it is equal to n+sod(n) for n = 111311998 and 111312016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863 + ... + 14945.

It is an arithmetic number, because the mean of its divisors is an integer number (5175870).

Almost surely, 2^111312032 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 111312032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124220880).

111312032 is an abundant number, since it is smaller than the sum of its proper divisors (137129728).

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

111312032 is a wasteful number, since it uses less digits than its factorization.

111312032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14125 (or 14117 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 111312032 is about 10550.4517438828. The cubic root of 111312032 is about 481.0394603427.

Adding to 111312032 its reverse (230213111), we get a palindrome (341525143).

The spelling of 111312032 in words is "one hundred eleven million, three hundred twelve thousand, thirty-two".