321334144133242 has 64 divisors (see below), whose sum is σ = 522809707806720. Its totient is φ = 147545601912576.

The previous prime is 321334144133221. The next prime is 321334144133357. The reversal of 321334144133242 is 242331441433123.

It is a junction number, because it is equal to n+sod(n) for n = 321334144133195 and 321334144133204.

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, 1443133563 + ... + 1443356209.

It is an arithmetic number, because the mean of its divisors is an integer number (8168901684480).

Almost surely, 2^{321334144133242} is an apocalyptic number.

321334144133242 is a deficient number, since it is larger than the sum of its proper divisors (201475563673478).

321334144133242 is a wasteful number, since it uses less digits than its factorization.

321334144133242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225475.

The product of its digits is 497664, while the sum is 40.

Adding to 321334144133242 its reverse (242331441433123), we get a palindrome (563665585566365).

The spelling of 321334144133242 in words is "three hundred twenty-one trillion, three hundred thirty-four billion, one hundred forty-four million, one hundred thirty-three thousand, two hundred forty-two".