321304214113421 has 16 divisors (see below), whose sum is σ = 400588155168768. Its totient is φ = 250366243196400.

The previous prime is 321304214113403. The next prime is 321304214113457. The reversal of 321304214113421 is 124311412403123.

It is a cyclic number.

It is not a de Polignac number, because 321304214113421 - 2⁴² = 316906167602317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321304214913421) 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, 24031736 + ... + 34930398.

It is an arithmetic number, because the mean of its divisors is an integer number (25036759698048).

Almost surely, 2^{321304214113421} is an apocalyptic number.

It is an amenable number.

321304214113421 is a deficient number, since it is larger than the sum of its proper divisors (79283941055347).

321304214113421 is a wasteful number, since it uses less digits than its factorization.

321304214113421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11281552.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 321304214113421 its reverse (124311412403123), we get a palindrome (445615626516544).

The spelling of 321304214113421 in words is "three hundred twenty-one trillion, three hundred four billion, two hundred fourteen million, one hundred thirteen thousand, four hundred twenty-one".