321022234431 has 6 divisors (see below), whose sum is σ = 463698783080. Its totient is φ = 214014822948.

The previous prime is 321022234417. The next prime is 321022234447. The reversal of 321022234431 is 134432220123.

321022234431 is a `hidden beast` number, since 3 + 2 + 1 + 0 + 2 + 223 + 4 + 431 = 666.

It is not a de Polignac number, because 321022234431 - 2¹⁸ = 321021972287 is a prime.

It is a super-2 number, since 2×321022234431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321022234395 and 321022234404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321022234831) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17834568571 + ... + 17834568588.

Almost surely, 2^321022234431 is an apocalyptic number.

321022234431 is a deficient number, since it is larger than the sum of its proper divisors (142676548649).

321022234431 is a wasteful number, since it uses less digits than its factorization.

321022234431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35669137165 (or 35669137162 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 321022234431 its reverse (134432220123), we get a palindrome (455454454554).

The spelling of 321022234431 in words is "three hundred twenty-one billion, twenty-two million, two hundred thirty-four thousand, four hundred thirty-one".