113320217 has 2 divisors, whose sum is σ = 113320218. Its totient is φ = 113320216.

The previous prime is 113320213. The next prime is 113320231. The reversal of 113320217 is 712023311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94692361 + 18627856 = 9731^2 + 4316^2 .

It is an emirp because it is prime and its reverse (712023311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113320217 - 2² = 113320213 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113320211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56660108 + 56660109.

It is an arithmetic number, because the mean of its divisors is an integer number (56660109).

Almost surely, 2^113320217 is an apocalyptic number.

It is an amenable number.

113320217 is a deficient number, since it is larger than the sum of its proper divisors (1).

113320217 is an equidigital number, since it uses as much as digits as its factorization.

113320217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 113320217 is about 10645.1968981320. The cubic root of 113320217 is about 483.9150537918.

Adding to 113320217 its reverse (712023311), we get a palindrome (825343528).

The spelling of 113320217 in words is "one hundred thirteen million, three hundred twenty thousand, two hundred seventeen".