321031113104 has 160 divisors (see below), whose sum is σ = 687181017600. Its totient is φ = 144396195840.

The previous prime is 321031113059. The next prime is 321031113131. The reversal of 321031113104 is 401311130123.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 630709202 + ... + 630709710.

It is an arithmetic number, because the mean of its divisors is an integer number (4294881360).

Almost surely, 2^321031113104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321031113104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343590508800).

321031113104 is an abundant number, since it is smaller than the sum of its proper divisors (366149904496).

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

321031113104 is a wasteful number, since it uses less digits than its factorization.

321031113104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 321031113104 its reverse (401311130123), we get a palindrome (722342243227).

The spelling of 321031113104 in words is "three hundred twenty-one billion, thirty-one million, one hundred thirteen thousand, one hundred four".