311222302032122 has 32 divisors (see below), whose sum is σ = 515007668851200. Its totient is φ = 140137102673280.

The previous prime is 311222302032097. The next prime is 311222302032133. The reversal of 311222302032122 is 221230203222113.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 311222302032091 and 311222302032100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549985343 + ... + 550550925.

It is an arithmetic number, because the mean of its divisors is an integer number (16093989651600).

Almost surely, 2^{311222302032122} is an apocalyptic number.

311222302032122 is a deficient number, since it is larger than the sum of its proper divisors (203785366819078).

311222302032122 is a wasteful number, since it uses less digits than its factorization.

311222302032122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081838.

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

Adding to 311222302032122 its reverse (221230203222113), we get a palindrome (532452505254235).

The spelling of 311222302032122 in words is "three hundred eleven trillion, two hundred twenty-two billion, three hundred two million, thirty-two thousand, one hundred twenty-two".