113492281 has 12 divisors (see below), whose sum is σ = 137763072. Its totient is φ = 93048648.

The previous prime is 113492273. The next prime is 113492303. The reversal of 113492281 is 182294311.

It is not a de Polignac number, because 113492281 - 2³ = 113492273 is a prime.

It is a super-2 number, since 2×113492281² = 25760995693165922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113492201) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 49225 + ... + 51478.

It is an arithmetic number, because the mean of its divisors is an integer number (11480256).

Almost surely, 2^113492281 is an apocalyptic number.

It is an amenable number.

113492281 is a deficient number, since it is larger than the sum of its proper divisors (24270791).

113492281 is a wasteful number, since it uses less digits than its factorization.

113492281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100740 (or 100733 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 113492281 is about 10653.2755995515. The cubic root of 113492281 is about 484.1598534549.

The spelling of 113492281 in words is "one hundred thirteen million, four hundred ninety-two thousand, two hundred eighty-one".