113036281 has 12 divisors (see below), whose sum is σ = 121621120. Its totient is φ = 105019200.

The previous prime is 113036279. The next prime is 113036309. The reversal of 113036281 is 182630311.

It is not a de Polignac number, because 113036281 - 2¹ = 113036279 is a prime.

It is a super-2 number, since 2×113036281² = 25554401644621922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113036201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20356 + ... + 25306.

Almost surely, 2^113036281 is an apocalyptic number.

It is an amenable number.

113036281 is a deficient number, since it is larger than the sum of its proper divisors (8584839).

113036281 is an equidigital number, since it uses as much as digits as its factorization.

113036281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5064 (or 5047 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 113036281 is about 10631.8521904699. The cubic root of 113036281 is about 483.5105486766.

Adding to 113036281 its reverse (182630311), we get a palindrome (295666592).

The spelling of 113036281 in words is "one hundred thirteen million, thirty-six thousand, two hundred eighty-one".