320213303 has 8 divisors (see below), whose sum is σ = 334633728. Its totient is φ = 306109944.

The previous prime is 320213297. The next prime is 320213323. The reversal of 320213303 is 303312023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320213303 - 2⁴ = 320213287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320213323) 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 in 7 ways as a sum of consecutive naturals, for example, 77201 + ... + 81242.

It is an arithmetic number, because the mean of its divisors is an integer number (41829216).

Almost surely, 2^320213303 is an apocalyptic number.

320213303 is a deficient number, since it is larger than the sum of its proper divisors (14420425).

320213303 is a wasteful number, since it uses less digits than its factorization.

320213303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158533.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 320213303 is about 17894.5048269015. The cubic root of 320213303 is about 684.1423211652.

Adding to 320213303 its reverse (303312023), we get a palindrome (623525326).

The spelling of 320213303 in words is "three hundred twenty million, two hundred thirteen thousand, three hundred three".