321321312322 has 16 divisors (see below), whose sum is σ = 510617307672. Its totient is φ = 151126041600.

The previous prime is 321321312293. The next prime is 321321312329. The reversal of 321321312322 is 223213123123.

It can be written as a sum of positive squares in 4 ways, for example, as 314811888561 + 6509423761 = 561081^2 + 80681^2 .

It is not an unprimeable number, because it can be changed into a prime (321321312329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2562483 + ... + 2684950.

Almost surely, 2^321321312322 is an apocalyptic number.

321321312322 is a deficient number, since it is larger than the sum of its proper divisors (189295995350).

321321312322 is a wasteful number, since it uses less digits than its factorization.

321321312322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5249253.

The product of its digits is 2592, while the sum is 25.

Adding to 321321312322 its reverse (223213123123), we get a palindrome (544534435445).

The spelling of 321321312322 in words is "three hundred twenty-one billion, three hundred twenty-one million, three hundred twelve thousand, three hundred twenty-two".