313221022322 has 8 divisors (see below), whose sum is σ = 505972420716. Its totient is φ = 144563548752.

The previous prime is 313221022319. The next prime is 313221022339. The reversal of 313221022322 is 223220122313.

It can be written as a sum of positive squares in 2 ways, for example, as 304616790241 + 8604232081 = 551921^2 + 92759^2 .

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

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, 6023481173 + ... + 6023481224.

Almost surely, 2^313221022322 is an apocalyptic number.

313221022322 is a deficient number, since it is larger than the sum of its proper divisors (192751398394).

313221022322 is a wasteful number, since it uses less digits than its factorization.

313221022322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12046962412.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 313221022322 its reverse (223220122313), we get a palindrome (536441144635).

Subtracting from 313221022322 its reverse (223220122313), we obtain a palindrome (90000900009).

The spelling of 313221022322 in words is "three hundred thirteen billion, two hundred twenty-one million, twenty-two thousand, three hundred twenty-two".