321420033102234 has 128 divisors (see below), whose sum is σ = 758243729157120. Its totient is φ = 89767599667200.

The previous prime is 321420033102199. The next prime is 321420033102239. The reversal of 321420033102234 is 432201330024123.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (321420033102239) 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 63 ways as a sum of consecutive naturals, for example, 343388202 + ... + 344322954.

It is an arithmetic number, because the mean of its divisors is an integer number (5923779134040).

Almost surely, 2^{321420033102234} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321420033102234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379121864578560).

321420033102234 is an abundant number, since it is smaller than the sum of its proper divisors (436823696054886).

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

321420033102234 is a wasteful number, since it uses less digits than its factorization.

321420033102234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942236.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 321420033102234 its reverse (432201330024123), we get a palindrome (753621363126357).

The spelling of 321420033102234 in words is "three hundred twenty-one trillion, four hundred twenty billion, thirty-three million, one hundred two thousand, two hundred thirty-four".