321213404031001 has 4 divisors (see below), whose sum is σ = 322628441053392. Its totient is φ = 319798367008612.

The previous prime is 321213404030921. The next prime is 321213404031029. The reversal of 321213404031001 is 100130404312123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 321213404031001 - 2²⁵ = 321213370476569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321213404031071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707518510855 + ... + 707518511308.

It is an arithmetic number, because the mean of its divisors is an integer number (80657110263348).

Almost surely, 2^{321213404031001} is an apocalyptic number.

It is an amenable number.

321213404031001 is a deficient number, since it is larger than the sum of its proper divisors (1415037022391).

321213404031001 is a wasteful number, since it uses less digits than its factorization.

321213404031001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415037022390.

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

Adding to 321213404031001 its reverse (100130404312123), we get a palindrome (421343808343124).

The spelling of 321213404031001 in words is "three hundred twenty-one trillion, two hundred thirteen billion, four hundred four million, thirty-one thousand, one".