321203340213043 has 8 divisors (see below), whose sum is σ = 340204974581520. Its totient is φ = 302213630315520.

The previous prime is 321203340213031. The next prime is 321203340213053. The reversal of 321203340213043 is 340312043302123.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321203340213043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321203340212996 and 321203340213014.

It is not an unprimeable number, because it can be changed into a prime (321203340213053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2981062273 + ... + 2981170018.

It is an arithmetic number, because the mean of its divisors is an integer number (42525621822690).

Almost surely, 2^{321203340213043} is an apocalyptic number.

321203340213043 is a deficient number, since it is larger than the sum of its proper divisors (19001634368477).

321203340213043 is a wasteful number, since it uses less digits than its factorization.

321203340213043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5962235477.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 321203340213043 its reverse (340312043302123), we get a palindrome (661515383515166).

The spelling of 321203340213043 in words is "three hundred twenty-one trillion, two hundred three billion, three hundred forty million, two hundred thirteen thousand, forty-three".