321311012224404 has 24 divisors (see below), whose sum is σ = 749787345534528. Its totient is φ = 107094863549440.

The previous prime is 321311012224399. The next prime is 321311012224523. The reversal of 321311012224404 is 404422210113123.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1100746992 + ... + 1101038855.

It is an arithmetic number, because the mean of its divisors is an integer number (31241139397272).

Almost surely, 2^{321311012224404} is an apocalyptic number.

It is an amenable number.

321311012224404 is an abundant number, since it is smaller than the sum of its proper divisors (428476333310124).

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

321311012224404 is a wasteful number, since it uses less digits than its factorization.

321311012224404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201798015 (or 2201798013 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 321311012224404 its reverse (404422210113123), we get a palindrome (725733222337527).

The spelling of 321311012224404 in words is "three hundred twenty-one trillion, three hundred eleven billion, twelve million, two hundred twenty-four thousand, four hundred four".