113173113 has 4 divisors (see below), whose sum is σ = 150897488. Its totient is φ = 75448740.

The previous prime is 113173111. The next prime is 113173147. The reversal of 113173113 is 311371311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 113173113 - 2¹ = 113173111 is a prime.

It is a super-2 number, since 2×113173113² = 25616307012221538, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 113173113.

It is not an unprimeable number, because it can be changed into a prime (113173111) 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 3 ways as a sum of consecutive naturals, for example, 18862183 + ... + 18862188.

It is an arithmetic number, because the mean of its divisors is an integer number (37724372).

Almost surely, 2^113173113 is an apocalyptic number.

It is an amenable number.

113173113 is a deficient number, since it is larger than the sum of its proper divisors (37724375).

113173113 is an equidigital number, since it uses as much as digits as its factorization.

113173113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37724374.

The product of its digits is 189, while the sum is 21.

The square root of 113173113 is about 10638.2852471627. The cubic root of 113173113 is about 483.7055687681.

The spelling of 113173113 in words is "one hundred thirteen million, one hundred seventy-three thousand, one hundred thirteen".