204210043131 has 16 divisors (see below), whose sum is σ = 273402432000. Its totient is φ = 135579956928.

The previous prime is 204210043129. The next prime is 204210043151. The reversal of 204210043131 is 131340012402.

It is not a de Polignac number, because 204210043131 - 2¹ = 204210043129 is a prime.

It is a super-2 number, since 2×204210043131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204210043098 and 204210043107.

It is not an unprimeable number, because it can be changed into a prime (204210043151) 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, 596050 + ... + 873896.

It is an arithmetic number, because the mean of its divisors is an integer number (17087652000).

Almost surely, 2^204210043131 is an apocalyptic number.

204210043131 is a deficient number, since it is larger than the sum of its proper divisors (69192388869).

204210043131 is a wasteful number, since it uses less digits than its factorization.

204210043131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278858.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 204210043131 its reverse (131340012402), we get a palindrome (335550055533).

The spelling of 204210043131 in words is "two hundred four billion, two hundred ten million, forty-three thousand, one hundred thirty-one".