113831424 has 120 divisors (see below), whose sum is σ = 375563760. Its totient is φ = 32514048.

The previous prime is 113831423. The next prime is 113831441. The reversal of 113831424 is 424138311.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113831423) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 30492 + ... + 34020.

It is an arithmetic number, because the mean of its divisors is an integer number (3129698).

Almost surely, 2^113831424 is an apocalyptic number.

113831424 is a gapful number since it is divisible by the number (14) 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 113831424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187781880).

113831424 is an abundant number, since it is smaller than the sum of its proper divisors (261732336).

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

113831424 is an equidigital number, since it uses as much as digits as its factorization.

113831424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560 (or 3541 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 113831424 is about 10669.1810369869. The cubic root of 113831424 is about 484.6416369987.

Adding to 113831424 its reverse (424138311), we get a palindrome (537969735).

The spelling of 113831424 in words is "one hundred thirteen million, eight hundred thirty-one thousand, four hundred twenty-four".