321054420005 has 16 divisors (see below), whose sum is σ = 426562403904. Its totient is φ = 230009134080.

The previous prime is 321054419977. The next prime is 321054420041. The reversal of 321054420005 is 500024450123.

It is a happy number.

It is not a de Polignac number, because 321054420005 - 2¹⁸ = 321054157861 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 43558652 + ... + 43566021.

It is an arithmetic number, because the mean of its divisors is an integer number (26660150244).

Almost surely, 2^321054420005 is an apocalyptic number.

It is an amenable number.

321054420005 is a deficient number, since it is larger than the sum of its proper divisors (105507983899).

321054420005 is a wasteful number, since it uses less digits than its factorization.

321054420005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87124756.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 321054420005 its reverse (500024450123), we get a palindrome (821078870128).

The spelling of 321054420005 in words is "three hundred twenty-one billion, fifty-four million, four hundred twenty thousand, five".