204421422304131 has 4 divisors (see below), whose sum is σ = 272561896405512. Its totient is φ = 136280948202752.

The previous prime is 204421422304027. The next prime is 204421422304147. The reversal of 204421422304131 is 131403224124402.

204421422304131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 204421422304131 - 2²² = 204421418109827 is a prime.

It is a super-2 number, since 2×204421422304131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204421422304092 and 204421422304101.

It is not an unprimeable number, because it can be changed into a prime (204421422384131) 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, 34070237050686 + ... + 34070237050691.

It is an arithmetic number, because the mean of its divisors is an integer number (68140474101378).

Almost surely, 2^{204421422304131} is an apocalyptic number.

204421422304131 is a deficient number, since it is larger than the sum of its proper divisors (68140474101381).

204421422304131 is an equidigital number, since it uses as much as digits as its factorization.

204421422304131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68140474101380.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 204421422304131 its reverse (131403224124402), we get a palindrome (335824646428533).

The spelling of 204421422304131 in words is "two hundred four trillion, four hundred twenty-one billion, four hundred twenty-two million, three hundred four thousand, one hundred thirty-one".