321430331224112 has 20 divisors (see below), whose sum is σ = 679386836451336. Its totient is φ = 146104696010880.

The previous prime is 321430331224091. The next prime is 321430331224129. The reversal of 321430331224112 is 211422133034123.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913154349893 + ... + 913154350244.

Almost surely, 2^{321430331224112} is an apocalyptic number.

It is an amenable number.

321430331224112 is an abundant number, since it is smaller than the sum of its proper divisors (357956505227224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321430331224112 is a wasteful number, since it uses less digits than its factorization.

321430331224112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826308700156 (or 1826308700150 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 321430331224112 its reverse (211422133034123), we get a palindrome (532852464258235).

The spelling of 321430331224112 in words is "three hundred twenty-one trillion, four hundred thirty billion, three hundred thirty-one million, two hundred twenty-four thousand, one hundred twelve".