322020131021 has 4 divisors (see below), whose sum is σ = 333124273500. Its totient is φ = 310915988544.

The previous prime is 322020130997. The next prime is 322020131039. The reversal of 322020131021 is 120131020223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84456496996 + 237563634025 = 290614^2 + 487405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322020131021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322020131621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5552071196 + ... + 5552071253.

It is an arithmetic number, because the mean of its divisors is an integer number (83281068375).

Almost surely, 2^322020131021 is an apocalyptic number.

It is an amenable number.

322020131021 is a deficient number, since it is larger than the sum of its proper divisors (11104142479).

322020131021 is a wasteful number, since it uses less digits than its factorization.

322020131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11104142478.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 322020131021 its reverse (120131020223), we get a palindrome (442151151244).

The spelling of 322020131021 in words is "three hundred twenty-two billion, twenty million, one hundred thirty-one thousand, twenty-one".