311323002220322 has 8 divisors (see below), whose sum is σ = 494454179997036. Its totient is φ = 146504942221312.

The previous prime is 311323002220207. The next prime is 311323002220337. The reversal of 311323002220322 is 223022200323113.

It can be written as a sum of positive squares in 2 ways, for example, as 298657880721841 + 12665121498481 = 17281721^2 + 3558809^2 .

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

It is a super-2 number, since 2×311323002220322² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311323002220291 and 311323002220300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4578279444383 + ... + 4578279444450.

Almost surely, 2^{311323002220322} is an apocalyptic number.

311323002220322 is a deficient number, since it is larger than the sum of its proper divisors (183131177776714).

311323002220322 is a wasteful number, since it uses less digits than its factorization.

311323002220322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9156558888852.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 311323002220322 its reverse (223022200323113), we get a palindrome (534345202543435).

The spelling of 311323002220322 in words is "three hundred eleven trillion, three hundred twenty-three billion, two million, two hundred twenty thousand, three hundred twenty-two".