321213204201031 has 8 divisors (see below), whose sum is σ = 321401838567600. Its totient is φ = 321024575294208.

The previous prime is 321213204200981. The next prime is 321213204201037. The reversal of 321213204201031 is 130102402312123.

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-321213204201031 is a prime.

It is a super-3 number, since 3×321213204201031³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321213204200987 and 321213204201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321213204201037) 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, 119473815 + ... + 122132791.

It is an arithmetic number, because the mean of its divisors is an integer number (40175229820950).

Almost surely, 2^{321213204201031} is an apocalyptic number.

321213204201031 is a deficient number, since it is larger than the sum of its proper divisors (188634366569).

321213204201031 is a wasteful number, since it uses less digits than its factorization.

321213204201031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729873.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 321213204201031 its reverse (130102402312123), we get a palindrome (451315606513154).

The spelling of 321213204201031 in words is "three hundred twenty-one trillion, two hundred thirteen billion, two hundred four million, two hundred one thousand, thirty-one".