113201213 has 2 divisors, whose sum is σ = 113201214. Its totient is φ = 113201212.

The previous prime is 113201203. The next prime is 113201219. The reversal of 113201213 is 312102311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83137924 + 30063289 = 9118^2 + 5483^2 .

It is an emirp because it is prime and its reverse (312102311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113201213 - 2⁶ = 113201149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113201219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56600606 + 56600607.

It is an arithmetic number, because the mean of its divisors is an integer number (56600607).

Almost surely, 2^113201213 is an apocalyptic number.

It is an amenable number.

113201213 is a deficient number, since it is larger than the sum of its proper divisors (1).

113201213 is an equidigital number, since it uses as much as digits as its factorization.

113201213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 113201213 is about 10639.6058667603. The cubic root of 113201213 is about 483.7455988934.

Adding to 113201213 its reverse (312102311), we get a palindrome (425303524).

The spelling of 113201213 in words is "one hundred thirteen million, two hundred one thousand, two hundred thirteen".