204321222012031 has 8 divisors (see below), whose sum is σ = 215075507760000. Its totient is φ = 193566989986200.

The previous prime is 204321222012001. The next prime is 204321222012043. The reversal of 204321222012031 is 130210222123402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204321222012031 - 2¹⁹ = 204321221487743 is a prime.

It is a super-2 number, since 2×204321222012031² (a number of 29 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 = 204321222011987 and 204321222012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204321222012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5503795 + ... + 20950756.

It is an arithmetic number, because the mean of its divisors is an integer number (26884438470000).

Almost surely, 2^{204321222012031} is an apocalyptic number.

204321222012031 is a deficient number, since it is larger than the sum of its proper divisors (10754285747969).

204321222012031 is a wasteful number, since it uses less digits than its factorization.

204321222012031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26861069.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 204321222012031 its reverse (130210222123402), we get a palindrome (334531444135433).

The spelling of 204321222012031 in words is "two hundred four trillion, three hundred twenty-one billion, two hundred twenty-two million, twelve thousand, thirty-one".