313442122221 has 12 divisors (see below), whose sum is σ = 453047026848. Its totient is φ = 208824201864.

The previous prime is 313442122199. The next prime is 313442122223. The reversal of 313442122221 is 122221244313.

313442122221 is a `hidden beast` number, since 3 + 13 + 4 + 421 + 2 + 2 + 221 = 666.

It is not a de Polignac number, because 313442122221 - 2⁹ = 313442121709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313442122223) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11419945 + ... + 11447358.

It is an arithmetic number, because the mean of its divisors is an integer number (37753918904).

Almost surely, 2^313442122221 is an apocalyptic number.

It is an amenable number.

313442122221 is a deficient number, since it is larger than the sum of its proper divisors (139604904627).

313442122221 is a wasteful number, since it uses less digits than its factorization.

313442122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22868832 (or 22868829 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 313442122221 its reverse (122221244313), we get a palindrome (435663366534).

The spelling of 313442122221 in words is "three hundred thirteen billion, four hundred forty-two million, one hundred twenty-two thousand, two hundred twenty-one".