321344034021424 has 20 divisors (see below), whose sum is σ = 630105319725336. Its totient is φ = 158736209576192.

The previous prime is 321344034021421. The next prime is 321344034021463. The reversal of 321344034021424 is 424120430443123.

It is not an unprimeable number, because it can be changed into a prime (321344034021421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120987963289 + ... + 120987965944.

Almost surely, 2^{321344034021424} is an apocalyptic number.

It is an amenable number.

321344034021424 is a deficient number, since it is larger than the sum of its proper divisors (308761285703912).

321344034021424 is a wasteful number, since it uses less digits than its factorization.

321344034021424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241975929324 (or 241975929318 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 321344034021424 its reverse (424120430443123), we get a palindrome (745464464464547).

The spelling of 321344034021424 in words is "three hundred twenty-one trillion, three hundred forty-four billion, thirty-four million, twenty-one thousand, four hundred twenty-four".