113211133 has 8 divisors (see below), whose sum is σ = 131207040. Its totient is φ = 95670960.

The previous prime is 113211121. The next prime is 113211149. The reversal of 113211133 is 331112311.

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-113211133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113211113) 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, 113398 + ... + 114391.

It is an arithmetic number, because the mean of its divisors is an integer number (16400880).

Almost surely, 2^113211133 is an apocalyptic number.

It is an amenable number.

113211133 is a deficient number, since it is larger than the sum of its proper divisors (17995907).

113211133 is an equidigital number, since it uses as much as digits as its factorization.

113211133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227867.

The product of its digits is 54, while the sum is 16.

The square root of 113211133 is about 10640.0720392298. The cubic root of 113211133 is about 483.7597289428.

Adding to 113211133 its reverse (331112311), we get a palindrome (444323444).

The spelling of 113211133 in words is "one hundred thirteen million, two hundred eleven thousand, one hundred thirty-three".