113433881 has 8 divisors (see below), whose sum is σ = 125593824. Its totient is φ = 101581920.

The previous prime is 113433847. The next prime is 113433883. The reversal of 113433881 is 188334311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-113433881 is a prime.

It is a super-2 number, since 2×113433881² = 25734490717444322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113433883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76220 + ... + 77693.

It is an arithmetic number, because the mean of its divisors is an integer number (15699228).

Almost surely, 2^113433881 is an apocalyptic number.

113433881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113433881 is a deficient number, since it is larger than the sum of its proper divisors (12159943).

113433881 is a wasteful number, since it uses less digits than its factorization.

113433881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153991.

The product of its digits is 6912, while the sum is 32.

The square root of 113433881 is about 10650.5343058459. The cubic root of 113433881 is about 484.0767941008.

The spelling of 113433881 in words is "one hundred thirteen million, four hundred thirty-three thousand, eight hundred eighty-one".