321242433213020 has 96 divisors (see below), whose sum is σ = 737681847017472. Its totient is φ = 116538531200000.

The previous prime is 321242433213011. The next prime is 321242433213047. The reversal of 321242433213020 is 20312334242123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2177088245 + ... + 2177235795.

It is an arithmetic number, because the mean of its divisors is an integer number (7684185906432).

Almost surely, 2^{321242433213020} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321242433213020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368840923508736).

321242433213020 is an abundant number, since it is smaller than the sum of its proper divisors (416439413804452).

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

321242433213020 is a wasteful number, since it uses less digits than its factorization.

321242433213020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170963 (or 170961 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 321242433213020 its reverse (20312334242123), we get a palindrome (341554767455143).

The spelling of 321242433213020 in words is "three hundred twenty-one trillion, two hundred forty-two billion, four hundred thirty-three million, two hundred thirteen thousand, twenty".