113133213 has 8 divisors (see below), whose sum is σ = 167604800. Its totient is φ = 75422124.

The previous prime is 113133203. The next prime is 113133253. The reversal of 113133213 is 312331311.

It is a happy number.

It is not a de Polignac number, because 113133213 - 2⁴ = 113133197 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 (113133203) 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, 2095033 + ... + 2095086.

It is an arithmetic number, because the mean of its divisors is an integer number (20950600).

Almost surely, 2^113133213 is an apocalyptic number.

It is an amenable number.

113133213 is a deficient number, since it is larger than the sum of its proper divisors (54471587).

113133213 is an equidigital number, since it uses as much as digits as its factorization.

113133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190128 (or 4190122 counting only the distinct ones).

The product of its digits is 162, while the sum is 18.

The square root of 113133213 is about 10636.4097796202. The cubic root of 113133213 is about 483.6487174535.

Adding to 113133213 its reverse (312331311), we get a palindrome (425464524).

The spelling of 113133213 in words is "one hundred thirteen million, one hundred thirty-three thousand, two hundred thirteen".