320312141324021 has 16 divisors (see below), whose sum is σ = 399350693242368. Its totient is φ = 249593569436400.

The previous prime is 320312141324003. The next prime is 320312141324083. The reversal of 320312141324021 is 120423141213023.

It is a happy number.

It is not a de Polignac number, because 320312141324021 - 2¹⁰ = 320312141322997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320312141324321) 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, 76056086 + ... + 80157048.

It is an arithmetic number, because the mean of its divisors is an integer number (24959418327648).

Almost surely, 2^{320312141324021} is an apocalyptic number.

It is an amenable number.

320312141324021 is a deficient number, since it is larger than the sum of its proper divisors (79038551918347).

320312141324021 is a wasteful number, since it uses less digits than its factorization.

320312141324021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5115352.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 320312141324021 its reverse (120423141213023), we get a palindrome (440735282537044).

The spelling of 320312141324021 in words is "three hundred twenty trillion, three hundred twelve billion, one hundred forty-one million, three hundred twenty-four thousand, twenty-one".