321331312322 has 8 divisors (see below), whose sum is σ = 482003056272. Its totient is φ = 160663626900.

The previous prime is 321331312307. The next prime is 321331312333. The reversal of 321331312322 is 223213133123.

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

It is a junction number, because it is equal to n+sod(n) for n = 321331312291 and 321331312300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808304 + ... + 1138427.

It is an arithmetic number, because the mean of its divisors is an integer number (60250382034).

Almost surely, 2^321331312322 is an apocalyptic number.

321331312322 is a deficient number, since it is larger than the sum of its proper divisors (160671743950).

321331312322 is a wasteful number, since it uses less digits than its factorization.

321331312322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029264.

The product of its digits is 3888, while the sum is 26.

Adding to 321331312322 its reverse (223213133123), we get a palindrome (544544445445).

The spelling of 321331312322 in words is "three hundred twenty-one billion, three hundred thirty-one million, three hundred twelve thousand, three hundred twenty-two".