321104320140 has 48 divisors (see below), whose sum is σ = 951979869792. Its totient is φ = 80590887936.

The previous prime is 321104320093. The next prime is 321104320153. The reversal of 321104320140 is 41023401123.

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, 157403059 + ... + 157405098.

It is an arithmetic number, because the mean of its divisors is an integer number (19832913954).

Almost surely, 2^321104320140 is an apocalyptic number.

321104320140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321104320140 is an abundant number, since it is smaller than the sum of its proper divisors (630875549652).

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

321104320140 is a wasteful number, since it uses less digits than its factorization.

321104320140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314808186 (or 314808184 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 321104320140 its reverse (41023401123), we get a palindrome (362127721263).

The spelling of 321104320140 in words is "three hundred twenty-one billion, one hundred four million, three hundred twenty thousand, one hundred forty".