4320313 has 2 divisors, whose sum is σ = 4320314. Its totient is φ = 4320312.

The previous prime is 4320311. The next prime is 4320319. The reversal of 4320313 is 3130234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2812329 + 1507984 = 1677^2 + 1228^2 .

It is a cyclic number.

It is not a de Polignac number, because 4320313 - 2¹ = 4320311 is a prime.

Together with 4320311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4320311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160156 + 2160157.

It is an arithmetic number, because the mean of its divisors is an integer number (2160157).

Almost surely, 2^4320313 is an apocalyptic number.

It is an amenable number.

4320313 is a deficient number, since it is larger than the sum of its proper divisors (1).

4320313 is an equidigital number, since it uses as much as digits as its factorization.

4320313 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 16.

The square root of 4320313 is about 2078.5362638164. The cubic root of 4320313 is about 162.8689902929.

Adding to 4320313 its reverse (3130234), we get a palindrome (7450547).

The spelling of 4320313 in words is "four million, three hundred twenty thousand, three hundred thirteen".