204131042 has 8 divisors (see below), whose sum is σ = 306555600. Its totient is φ = 101945844.

The previous prime is 204131017. The next prime is 204131047. The reversal of 204131042 is 240131402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 204131042.

It is not an unprimeable number, because it can be changed into a prime (204131047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57692 + ... + 61127.

It is an arithmetic number, because the mean of its divisors is an integer number (38319450).

Almost surely, 2^204131042 is an apocalyptic number.

204131042 is a deficient number, since it is larger than the sum of its proper divisors (102424558).

204131042 is a wasteful number, since it uses less digits than its factorization.

204131042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119680.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 204131042 is about 14287.4435081998. The cubic root of 204131042 is about 588.8025526661.

Adding to 204131042 its reverse (240131402), we get a palindrome (444262444).

The spelling of 204131042 in words is "two hundred four million, one hundred thirty-one thousand, forty-two".