321203413334042 has 16 divisors (see below), whose sum is σ = 485595383227200. Its totient is φ = 159340914981600.

The previous prime is 321203413333981. The next prime is 321203413334047. The reversal of 321203413334042 is 240433314302123.

It is a junction number, because it is equal to n+sod(n) for n = 321203413333993 and 321203413334011.

It is not an unprimeable number, because it can be changed into a prime (321203413334047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657102692 + ... + 657591327.

It is an arithmetic number, because the mean of its divisors is an integer number (30349711451700).

Almost surely, 2^{321203413334042} is an apocalyptic number.

321203413334042 is a deficient number, since it is larger than the sum of its proper divisors (164391969893158).

321203413334042 is a wasteful number, since it uses less digits than its factorization.

321203413334042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314694981.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 321203413334042 its reverse (240433314302123), we get a palindrome (561636727636165).

The spelling of 321203413334042 in words is "three hundred twenty-one trillion, two hundred three billion, four hundred thirteen million, three hundred thirty-four thousand, forty-two".