321224013034340 has 48 divisors (see below), whose sum is σ = 726761772515520. Its totient is φ = 118556595588480.

The previous prime is 321224013034297. The next prime is 321224013034363. The reversal of 321224013034340 is 43430310422123.

It is a junction number, because it is equal to n+sod(n) for n = 321224013034297 and 321224013034306.

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, 255589850 + ... + 256843569.

It is an arithmetic number, because the mean of its divisors is an integer number (15140870260740).

Almost surely, 2^{321224013034340} is an apocalyptic number.

It is an amenable number.

321224013034340 is an abundant number, since it is smaller than the sum of its proper divisors (405537759481180).

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

321224013034340 is a wasteful number, since it uses less digits than its factorization.

321224013034340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512435852 (or 512435850 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 321224013034340 its reverse (43430310422123), we get a palindrome (364654323456463).

The spelling of 321224013034340 in words is "three hundred twenty-one trillion, two hundred twenty-four billion, thirteen million, thirty-four thousand, three hundred forty".