243313112 has 64 divisors (see below), whose sum is σ = 556554240. Its totient is φ = 97344000.

The previous prime is 243313093. The next prime is 243313117. The reversal of 243313112 is 211313342.

It is a super-3 number, since 3×243313112³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243313117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123737 + ... + 125687.

It is an arithmetic number, because the mean of its divisors is an integer number (8696160).

Almost surely, 2^243313112 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 243313112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278277120).

243313112 is an abundant number, since it is smaller than the sum of its proper divisors (313241128).

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

243313112 is a wasteful number, since it uses less digits than its factorization.

243313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112 (or 2108 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 243313112 is about 15598.4971070934. The cubic root of 243313112 is about 624.2930562437.

Adding to 243313112 its reverse (211313342), we get a palindrome (454626454).

The spelling of 243313112 in words is "two hundred forty-three million, three hundred thirteen thousand, one hundred twelve".