321442133243020 has 48 divisors (see below), whose sum is σ = 685402754335488. Its totient is φ = 126606604400640.

The previous prime is 321442133242963. The next prime is 321442133243047. The reversal of 321442133243020 is 20342331244123.

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, 180469501 + ... + 182241940.

It is an arithmetic number, because the mean of its divisors is an integer number (14279224048656).

Almost surely, 2^{321442133243020} is an apocalyptic number.

It is an amenable number.

321442133243020 is an abundant number, since it is smaller than the sum of its proper divisors (363960621092468).

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

321442133243020 is a wasteful number, since it uses less digits than its factorization.

321442133243020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362712130 (or 362712128 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 321442133243020 its reverse (20342331244123), we get a palindrome (341784464487143).

The spelling of 321442133243020 in words is "three hundred twenty-one trillion, four hundred forty-two billion, one hundred thirty-three million, two hundred forty-three thousand, twenty".