204604135231 has 8 divisors (see below), whose sum is σ = 208970930880. Its totient is φ = 200237902848.

The previous prime is 204604135207. The next prime is 204604135237. The reversal of 204604135231 is 132531406402.

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 204604135231 - 2³⁵ = 170244396863 is a prime.

It is a super-2 number, since 2×204604135231² (a number of 23 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 = 204604135193 and 204604135202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204604135237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639015 + ... + 904183.

It is an arithmetic number, because the mean of its divisors is an integer number (26121366360).

Almost surely, 2^204604135231 is an apocalyptic number.

204604135231 is a deficient number, since it is larger than the sum of its proper divisors (4366795649).

204604135231 is a wasteful number, since it uses less digits than its factorization.

204604135231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281633.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 204604135231 in words is "two hundred four billion, six hundred four million, one hundred thirty-five thousand, two hundred thirty-one".