113332213 has 4 divisors (see below), whose sum is σ = 113359180. Its totient is φ = 113305248.

The previous prime is 113332211. The next prime is 113332229. The reversal of 113332213 is 312233311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312233311 = 13 ⋅24017947.

It can be written as a sum of positive squares in 2 ways, for example, as 108305649 + 5026564 = 10407^2 + 2242^2 .

It is a cyclic number.

It is not a de Polignac number, because 113332213 - 2¹ = 113332211 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 (113332211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5670 + ... + 16087.

It is an arithmetic number, because the mean of its divisors is an integer number (28339795).

Almost surely, 2^113332213 is an apocalyptic number.

It is an amenable number.

113332213 is a deficient number, since it is larger than the sum of its proper divisors (26967).

113332213 is an equidigital number, since it uses as much as digits as its factorization.

113332213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26966.

The product of its digits is 324, while the sum is 19.

The square root of 113332213 is about 10645.7603298214. The cubic root of 113332213 is about 483.9321288273.

Adding to 113332213 its reverse (312233311), we get a palindrome (425565524).

The spelling of 113332213 in words is "one hundred thirteen million, three hundred thirty-two thousand, two hundred thirteen".