204134234131 has 8 divisors (see below), whose sum is σ = 211727135664. Its totient is φ = 196650583200.

The previous prime is 204134234123. The next prime is 204134234137. The reversal of 204134234131 is 131432431402.

It is a happy number.

204134234131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 204134234131 - 2³ = 204134234123 is a prime.

It is a super-2 number, since 2×204134234131² (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 204134234131.

It is not an unprimeable number, because it can be changed into a prime (204134234137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27308845 + ... + 27316318.

It is an arithmetic number, because the mean of its divisors is an integer number (26465891958).

Almost surely, 2^204134234131 is an apocalyptic number.

204134234131 is a deficient number, since it is larger than the sum of its proper divisors (7592901533).

204134234131 is a wasteful number, since it uses less digits than its factorization.

204134234131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54625301.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 204134234131 its reverse (131432431402), we get a palindrome (335566665533).

The spelling of 204134234131 in words is "two hundred four billion, one hundred thirty-four million, two hundred thirty-four thousand, one hundred thirty-one".