321103243105 has 32 divisors (see below), whose sum is σ = 409758044544. Its totient is φ = 240725523456.

The previous prime is 321103243103. The next prime is 321103243151. The reversal of 321103243105 is 501342301123.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 321103243105 - 2¹ = 321103243103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321103243105.

It is not an unprimeable number, because it can be changed into a prime (321103243103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34947322 + ... + 34956508.

It is an arithmetic number, because the mean of its divisors is an integer number (12804938892).

Almost surely, 2^321103243105 is an apocalyptic number.

It is an amenable number.

321103243105 is a deficient number, since it is larger than the sum of its proper divisors (88654801439).

321103243105 is a wasteful number, since it uses less digits than its factorization.

321103243105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10945.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 321103243105 its reverse (501342301123), we get a palindrome (822445544228).

The spelling of 321103243105 in words is "three hundred twenty-one billion, one hundred three million, two hundred forty-three thousand, one hundred five".