311223302202122 has 16 divisors (see below), whose sum is σ = 468175340778912. Its totient is φ = 155165340662640.

The previous prime is 311223302202107. The next prime is 311223302202133. The reversal of 311223302202122 is 221202203322113.

It is a super-3 number, since 3×311223302202122³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311223302202091 and 311223302202100.

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 7 ways as a sum of consecutive naturals, for example, 120063404 + ... + 122628167.

It is an arithmetic number, because the mean of its divisors is an integer number (29260958798682).

Almost surely, 2^{311223302202122} is an apocalyptic number.

311223302202122 is a deficient number, since it is larger than the sum of its proper divisors (156952038576790).

311223302202122 is a wasteful number, since it uses less digits than its factorization.

311223302202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242693413.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 311223302202122 its reverse (221202203322113), we get a palindrome (532425505524235).

The spelling of 311223302202122 in words is "three hundred eleven trillion, two hundred twenty-three billion, three hundred two million, two hundred two thousand, one hundred twenty-two".