204003302023231 has 4 divisors (see below), whose sum is σ = 204003342806832. Its totient is φ = 204003261239632.

The previous prime is 204003302023189. The next prime is 204003302023321. The reversal of 204003302023231 is 132320203300402.

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

It is a cyclic number.

It is not a de Polignac number, because 204003302023231 - 2⁴³ = 195207209001023 is a prime.

It is a super-2 number, since 2×204003302023231² (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 = 204003302023196 and 204003302023205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204003302029231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11635270 + ... + 23310643.

It is an arithmetic number, because the mean of its divisors is an integer number (51000835701708).

Almost surely, 2^{204003302023231} is an apocalyptic number.

204003302023231 is a deficient number, since it is larger than the sum of its proper divisors (40783601).

204003302023231 is an equidigital number, since it uses as much as digits as its factorization.

204003302023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40783600.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 204003302023231 its reverse (132320203300402), we get a palindrome (336323505323633).

The spelling of 204003302023231 in words is "two hundred four trillion, three billion, three hundred two million, twenty-three thousand, two hundred thirty-one".