113092281 has 20 divisors (see below), whose sum is σ = 170035492. Its totient is φ = 74906208.

The previous prime is 113092277. The next prime is 113092283. The reversal of 113092281 is 182290311.

It can be written as a sum of positive squares in 2 ways, for example, as 23619600 + 89472681 = 4860^2 + 9459^2 .

It is not a de Polignac number, because 113092281 - 2² = 113092277 is a prime.

It is a super-2 number, since 2×113092281² = 25579728043565922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113092283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8271 + ... + 17163.

Almost surely, 2^113092281 is an apocalyptic number.

It is an amenable number.

113092281 is a deficient number, since it is larger than the sum of its proper divisors (56943211).

113092281 is an equidigital number, since it uses as much as digits as its factorization.

113092281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9062 (or 9053 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 113092281 is about 10634.4854600493. The cubic root of 113092281 is about 483.5903818072.

The spelling of 113092281 in words is "one hundred thirteen million, ninety-two thousand, two hundred eighty-one".