320215321330 has 8 divisors (see below), whose sum is σ = 576387578412. Its totient is φ = 128086128528.

The previous prime is 320215321229. The next prime is 320215321343. The reversal of 320215321330 is 33123512023.

It can be written as a sum of positive squares in 2 ways, for example, as 289404189369 + 30811131961 = 537963^2 + 175531^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 320215321295 and 320215321304.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 16010766057 + ... + 16010766076.

Almost surely, 2^320215321330 is an apocalyptic number.

320215321330 is a deficient number, since it is larger than the sum of its proper divisors (256172257082).

320215321330 is a wasteful number, since it uses less digits than its factorization.

320215321330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32021532140.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 320215321330 its reverse (33123512023), we get a palindrome (353338833353).

The spelling of 320215321330 in words is "three hundred twenty billion, two hundred fifteen million, three hundred twenty-one thousand, three hundred thirty".