113531340 has 96 divisors (see below), whose sum is σ = 348284160. Its totient is φ = 27461376.

The previous prime is 113531339. The next prime is 113531351. The reversal of 113531340 is 43135311.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 44787 + ... + 47253.

It is an arithmetic number, because the mean of its divisors is an integer number (3627960).

Almost surely, 2^113531340 is an apocalyptic number.

113531340 is a gapful number since it is divisible by the number (10) 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 113531340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174142080).

113531340 is an abundant number, since it is smaller than the sum of its proper divisors (234752820).

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

113531340 is a wasteful number, since it uses less digits than its factorization.

113531340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551 (or 2549 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 113531340 is about 10655.1086338901. The cubic root of 113531340 is about 484.2153891869.

Adding to 113531340 its reverse (43135311), we get a palindrome (156666651).

The spelling of 113531340 in words is "one hundred thirteen million, five hundred thirty-one thousand, three hundred forty".