321043100423442 has 16 divisors (see below), whose sum is σ = 642087686525760. Its totient is φ = 107014119194672.

The previous prime is 321043100423411. The next prime is 321043100423471. The reversal of 321043100423442 is 244324001340123.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59084217 + ... + 64288652.

It is an arithmetic number, because the mean of its divisors is an integer number (40130480407860).

Almost surely, 2^{321043100423442} is an apocalyptic number.

321043100423442 is an abundant number, since it is smaller than the sum of its proper divisors (321044586102318).

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

321043100423442 is a wasteful number, since it uses less digits than its factorization.

321043100423442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123806577.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 321043100423442 its reverse (244324001340123), we get a palindrome (565367101763565).

The spelling of 321043100423442 in words is "three hundred twenty-one trillion, forty-three billion, one hundred million, four hundred twenty-three thousand, four hundred forty-two".