321213220234413 has 16 divisors (see below), whose sum is σ = 462324795722496. Its totient is φ = 197200149814080.

The previous prime is 321213220234363. The next prime is 321213220234421. The reversal of 321213220234413 is 314432022312123.

It is a happy number.

It is not a de Polignac number, because 321213220234413 - 2¹⁶ = 321213220168877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321213200234413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9781737045 + ... + 9781769882.

It is an arithmetic number, because the mean of its divisors is an integer number (28895299732656).

Almost surely, 2^{321213220234413} is an apocalyptic number.

It is an amenable number.

321213220234413 is a deficient number, since it is larger than the sum of its proper divisors (141111575488083).

321213220234413 is a wasteful number, since it uses less digits than its factorization.

321213220234413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19563507364.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 321213220234413 its reverse (314432022312123), we get a palindrome (635645242546536).

The spelling of 321213220234413 in words is "three hundred twenty-one trillion, two hundred thirteen billion, two hundred twenty million, two hundred thirty-four thousand, four hundred thirteen".