321404430120441 has 16 divisors (see below), whose sum is σ = 429238702940160. Its totient is φ = 213919920844560.

The previous prime is 321404430120413. The next prime is 321404430120443. The reversal of 321404430120441 is 144021034404123.

It is a happy number.

It is not a de Polignac number, because 321404430120441 - 2²⁹ = 321403893249529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321404430120443) 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, 36083496 + ... + 44100198.

It is an arithmetic number, because the mean of its divisors is an integer number (26827418933760).

Almost surely, 2^{321404430120441} is an apocalyptic number.

It is an amenable number.

321404430120441 is a deficient number, since it is larger than the sum of its proper divisors (107834272819719).

321404430120441 is a wasteful number, since it uses less digits than its factorization.

321404430120441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8038516.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 321404430120441 its reverse (144021034404123), we get a palindrome (465425464524564).

The spelling of 321404430120441 in words is "three hundred twenty-one trillion, four hundred four billion, four hundred thirty million, one hundred twenty thousand, four hundred forty-one".