321040331231004 has 144 divisors (see below), whose sum is σ = 1036440626247936. Its totient is φ = 81353267308800.

The previous prime is 321040331230981. The next prime is 321040331231141. The reversal of 321040331231004 is 400132133040123.

It is a happy number.

321040331231004 is a `hidden beast` number, since 3 + 2 + 10 + 4 + 0 + 331 + 2 + 310 + 0 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1412269462 + ... + 1412496765.

It is an arithmetic number, because the mean of its divisors is an integer number (7197504348944).

Almost surely, 2^{321040331231004} is an apocalyptic number.

It is an amenable number.

321040331231004 is an abundant number, since it is smaller than the sum of its proper divisors (715400295016932).

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

321040331231004 is a wasteful number, since it uses less digits than its factorization.

321040331231004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824766296 (or 2824766291 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 321040331231004 its reverse (400132133040123), we get a palindrome (721172464271127).

The spelling of 321040331231004 in words is "three hundred twenty-one trillion, forty billion, three hundred thirty-one million, two hundred thirty-one thousand, four".