320213221330 has 8 divisors (see below), whose sum is σ = 576383798412. Its totient is φ = 128085288528.

The previous prime is 320213221277. The next prime is 320213221357. The reversal of 320213221330 is 33122312023.

It can be written as a sum of positive squares in 2 ways, for example, as 292206194721 + 28007026609 = 540561^2 + 167353^2 .

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

It is a super-2 number, since 2×320213221330² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16010661057 + ... + 16010661076.

Almost surely, 2^320213221330 is an apocalyptic number.

320213221330 is a deficient number, since it is larger than the sum of its proper divisors (256170577082).

320213221330 is a wasteful number, since it uses less digits than its factorization.

320213221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32021322140.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 320213221330 its reverse (33122312023), we get a palindrome (353335533353).

The spelling of 320213221330 in words is "three hundred twenty billion, two hundred thirteen million, two hundred twenty-one thousand, three hundred thirty".