321213142321413 has 16 divisors (see below), whose sum is σ = 453478377813120. Its totient is φ = 201545056434176.

The previous prime is 321213142321403. The next prime is 321213142321451. The reversal of 321213142321413 is 314123241312123.

It is a cyclic number.

It is not a de Polignac number, because 321213142321413 - 2²¹ = 321213140224261 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321213142321403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17212693 + ... + 30638261.

It is an arithmetic number, because the mean of its divisors is an integer number (28342398613320).

Almost surely, 2^{321213142321413} is an apocalyptic number.

It is an amenable number.

321213142321413 is a deficient number, since it is larger than the sum of its proper divisors (132265235491707).

321213142321413 is a wasteful number, since it uses less digits than its factorization.

321213142321413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13894716.

The product of its digits is 20736, while the sum is 33.

Adding to 321213142321413 its reverse (314123241312123), we get a palindrome (635336383633536).

The spelling of 321213142321413 in words is "three hundred twenty-one trillion, two hundred thirteen billion, one hundred forty-two million, three hundred twenty-one thousand, four hundred thirteen".