113442312 has 64 divisors (see below), whose sum is σ = 300312000. Its totient is φ = 35610624.

The previous prime is 113442311. The next prime is 113442317. The reversal of 113442312 is 213244311.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (113442311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87364 + ... + 88652.

It is an arithmetic number, because the mean of its divisors is an integer number (4692375).

Almost surely, 2^113442312 is an apocalyptic number.

113442312 is a gapful number since it is divisible by the number (12) 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 113442312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150156000).

113442312 is an abundant number, since it is smaller than the sum of its proper divisors (186869688).

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

113442312 is a wasteful number, since it uses less digits than its factorization.

113442312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510 (or 1506 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 113442312 is about 10650.9301002307. The cubic root of 113442312 is about 484.0887868444.

Adding to 113442312 its reverse (213244311), we get a palindrome (326686623).

The spelling of 113442312 in words is "one hundred thirteen million, four hundred forty-two thousand, three hundred twelve".