204421143003131 has 16 divisors (see below), whose sum is σ = 206454794227968. Its totient is φ = 202397746831200.

The previous prime is 204421143003017. The next prime is 204421143003149. The reversal of 204421143003131 is 131300341124402.

It is a cyclic number.

It is not a de Polignac number, because 204421143003131 - 2¹⁴ = 204421142986747 is a prime.

It is a super-2 number, since 2×204421143003131² (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 = 204421143003094 and 204421143003103.

It is not an unprimeable number, because it can be changed into a prime (204421143003151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87406541 + ... + 89714801.

It is an arithmetic number, because the mean of its divisors is an integer number (12903424639248).

Almost surely, 2^{204421143003131} is an apocalyptic number.

204421143003131 is a deficient number, since it is larger than the sum of its proper divisors (2033651224837).

204421143003131 is a wasteful number, since it uses less digits than its factorization.

204421143003131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310482.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 204421143003131 its reverse (131300341124402), we get a palindrome (335721484127533).

The spelling of 204421143003131 in words is "two hundred four trillion, four hundred twenty-one billion, one hundred forty-three million, three thousand, one hundred thirty-one".