321831116226 has 48 divisors (see below), whose sum is σ = 715330796544. Its totient is φ = 104523659712.

The previous prime is 321831116207. The next prime is 321831116237. The reversal of 321831116226 is 622611138123.

321831116226 is a `hidden beast` number, since 3 + 2 + 18 + 3 + 1 + 11 + 622 + 6 = 666.

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 23 ways as a sum of consecutive naturals, for example, 664291 + ... + 1041606.

It is an arithmetic number, because the mean of its divisors is an integer number (14902724928).

Almost surely, 2^321831116226 is an apocalyptic number.

321831116226 is an abundant number, since it is smaller than the sum of its proper divisors (393499680318).

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

321831116226 is a wasteful number, since it uses less digits than its factorization.

321831116226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706175 (or 1706172 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The spelling of 321831116226 in words is "three hundred twenty-one billion, eight hundred thirty-one million, one hundred sixteen thousand, two hundred twenty-six".