201223313 has 2 divisors, whose sum is σ = 201223314. Its totient is φ = 201223312.

The previous prime is 201223303. The next prime is 201223369. The reversal of 201223313 is 313322102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144552529 + 56670784 = 12023^2 + 7528^2 .

It is a cyclic number.

It is not a de Polignac number, because 201223313 - 2¹⁶ = 201157777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201223291 and 201223300.

It is not a weakly prime, because it can be changed into another prime (201223303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100611656 + 100611657.

It is an arithmetic number, because the mean of its divisors is an integer number (100611657).

Almost surely, 2^201223313 is an apocalyptic number.

It is an amenable number.

201223313 is a deficient number, since it is larger than the sum of its proper divisors (1).

201223313 is an equidigital number, since it uses as much as digits as its factorization.

201223313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 201223313 is about 14185.3203347686. The cubic root of 201223313 is about 585.9934545196.

Adding to 201223313 its reverse (313322102), we get a palindrome (514545415).

The spelling of 201223313 in words is "two hundred one million, two hundred twenty-three thousand, three hundred thirteen".