320213221302 has 16 divisors (see below), whose sum is σ = 689690015280. Its totient is φ = 98527144992.

The previous prime is 320213221277. The next prime is 320213221357. The reversal of 320213221302 is 203122312023.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2052648777 + ... + 2052648932.

It is an arithmetic number, because the mean of its divisors is an integer number (43105625955).

Almost surely, 2^320213221302 is an apocalyptic number.

320213221302 is an abundant number, since it is smaller than the sum of its proper divisors (369476793978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320213221302 is a wasteful number, since it uses less digits than its factorization.

320213221302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105297727.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 320213221302 its reverse (203122312023), we get a palindrome (523335533325).

The spelling of 320213221302 in words is "three hundred twenty billion, two hundred thirteen million, two hundred twenty-one thousand, three hundred two".