313201223 has 2 divisors, whose sum is σ = 313201224. Its totient is φ = 313201222.

The previous prime is 313201211. The next prime is 313201237. The reversal of 313201223 is 322102313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313201223 - 2²⁰ = 312152647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313201253) 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 as a sum of consecutive naturals, namely, 156600611 + 156600612.

It is an arithmetic number, because the mean of its divisors is an integer number (156600612).

Almost surely, 2^313201223 is an apocalyptic number.

313201223 is a deficient number, since it is larger than the sum of its proper divisors (1).

313201223 is an equidigital number, since it uses as much as digits as its factorization.

313201223 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 313201223 is about 17697.4919974555. The cubic root of 313201223 is about 679.1116015192. Note that the first 3 decimals are identical.

Adding to 313201223 its reverse (322102313), we get a palindrome (635303536).

The spelling of 313201223 in words is "three hundred thirteen million, two hundred one thousand, two hundred twenty-three".