311303122022 has 8 divisors (see below), whose sum is σ = 466958817000. Its totient is φ = 155650183024.

The previous prime is 311303122003. The next prime is 311303122033. The reversal of 311303122022 is 220221303113.

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 = 311303121985 and 311303122003.

It is a congruent number.

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, 378647 + ... + 875202.

It is an arithmetic number, because the mean of its divisors is an integer number (58369852125).

Almost surely, 2^311303122022 is an apocalyptic number.

311303122022 is a deficient number, since it is larger than the sum of its proper divisors (155655694978).

311303122022 is a wasteful number, since it uses less digits than its factorization.

311303122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377990.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 311303122022 its reverse (220221303113), we get a palindrome (531524425135).

The spelling of 311303122022 in words is "three hundred eleven billion, three hundred three million, one hundred twenty-two thousand, twenty-two".