321222002313 has 8 divisors (see below), whose sum is σ = 428318868448. Its totient is φ = 214136568864.

The previous prime is 321222002293. The next prime is 321222002327. The reversal of 321222002313 is 313200222123.

It is a happy number.

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

It is not a de Polignac number, because 321222002313 - 2²¹ = 321219905161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321222002313.

It is not an unprimeable number, because it can be changed into a prime (321222009313) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2792395 + ... + 2905152.

It is an arithmetic number, because the mean of its divisors is an integer number (53539858556).

Almost surely, 2^321222002313 is an apocalyptic number.

It is an amenable number.

321222002313 is a deficient number, since it is larger than the sum of its proper divisors (107096866135).

321222002313 is a wasteful number, since it uses less digits than its factorization.

321222002313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716343.

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

Adding to 321222002313 its reverse (313200222123), we get a palindrome (634422224436).

The spelling of 321222002313 in words is "three hundred twenty-one billion, two hundred twenty-two million, two thousand, three hundred thirteen".