113243312 has 120 divisors (see below), whose sum is σ = 282606912. Its totient is φ = 43545600.

The previous prime is 113243303. The next prime is 113243323. The reversal of 113243312 is 213342311.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 417737 + ... + 418007.

Almost surely, 2^113243312 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 113243312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141303456).

113243312 is an abundant number, since it is smaller than the sum of its proper divisors (169363600).

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

113243312 is a wasteful number, since it uses less digits than its factorization.

113243312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 334 counting only the distinct ones).

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

The square root of 113243312 is about 10641.5840926058. The cubic root of 113243312 is about 483.8055590339.

Adding to 113243312 its reverse (213342311), we get a palindrome (326585623).

It can be divided in two parts, 1132 and 43312, that added together give a palindrome (44444).

The spelling of 113243312 in words is "one hundred thirteen million, two hundred forty-three thousand, three hundred twelve".