321311322002 has 16 divisors (see below), whose sum is σ = 525791099232. Its totient is φ = 146048118720.

The previous prime is 321311321993. The next prime is 321311322019. The reversal of 321311322002 is 200223113123.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2032673 + ... + 2185035.

It is an arithmetic number, because the mean of its divisors is an integer number (32861943702).

Almost surely, 2^321311322002 is an apocalyptic number.

321311322002 is a deficient number, since it is larger than the sum of its proper divisors (204479777230).

321311322002 is a wasteful number, since it uses less digits than its factorization.

321311322002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248233.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 321311322002 its reverse (200223113123), we get a palindrome (521534435125).

The spelling of 321311322002 in words is "three hundred twenty-one billion, three hundred eleven million, three hundred twenty-two thousand, two".