113281880 has 64 divisors (see below), whose sum is σ = 274402080. Its totient is φ = 41932800.

The previous prime is 113281873. The next prime is 113281907. The reversal of 113281880 is 88182311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 40115 + ... + 42845.

Almost surely, 2^113281880 is an apocalyptic number.

113281880 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 113281880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137201040).

113281880 is an abundant number, since it is smaller than the sum of its proper divisors (161120200).

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

113281880 is a wasteful number, since it uses less digits than its factorization.

113281880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820 (or 2816 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 113281880 is about 10643.3960745619. The cubic root of 113281880 is about 483.8604770524.

The spelling of 113281880 in words is "one hundred thirteen million, two hundred eighty-one thousand, eight hundred eighty".