113413213 has 4 divisors (see below), whose sum is σ = 115272508. Its totient is φ = 111553920.

The previous prime is 113413193. The next prime is 113413217. The reversal of 113413213 is 312314311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312314311 = 29 ⋅10769459.

It can be written as a sum of positive squares in 2 ways, for example, as 52229529 + 61183684 = 7227^2 + 7822^2 .

It is a cyclic number.

It is not a de Polignac number, because 113413213 - 2²¹ = 111316061 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 (113413217) 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 3 ways as a sum of consecutive naturals, for example, 929556 + ... + 929677.

It is an arithmetic number, because the mean of its divisors is an integer number (28818127).

Almost surely, 2^113413213 is an apocalyptic number.

It is an amenable number.

113413213 is a deficient number, since it is larger than the sum of its proper divisors (1859295).

113413213 is an equidigital number, since it uses as much as digits as its factorization.

113413213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859294.

The product of its digits is 216, while the sum is 19.

The square root of 113413213 is about 10649.5639816849. The cubic root of 113413213 is about 484.0473922243.

Adding to 113413213 its reverse (312314311), we get a palindrome (425727524).

The spelling of 113413213 in words is "one hundred thirteen million, four hundred thirteen thousand, two hundred thirteen".