204134241131 has 4 divisors (see below), whose sum is σ = 204478481592. Its totient is φ = 203790000672.

The previous prime is 204134241107. The next prime is 204134241133. The reversal of 204134241131 is 131142431402.

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 204134241131 - 2⁶ = 204134241067 is a prime.

It is a super-2 number, since 2×204134241131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204134241131.

It is not an unprimeable number, because it can be changed into a prime (204134241133) 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, 172119341 + ... + 172120526.

It is an arithmetic number, because the mean of its divisors is an integer number (51119620398).

Almost surely, 2^204134241131 is an apocalyptic number.

204134241131 is a deficient number, since it is larger than the sum of its proper divisors (344240461).

204134241131 is an equidigital number, since it uses as much as digits as its factorization.

204134241131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344240460.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 204134241131 its reverse (131142431402), we get a palindrome (335276672533).

The spelling of 204134241131 in words is "two hundred four billion, one hundred thirty-four million, two hundred forty-one thousand, one hundred thirty-one".