204131134402 has 8 divisors (see below), whose sum is σ = 329750294076. Its totient is φ = 94214369712.

The previous prime is 204131134397. The next prime is 204131134453. The reversal of 204131134402 is 204431131402.

204131134402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 200380674321 + 3750460081 = 447639^2 + 61241^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3925598713 + ... + 3925598764.

Almost surely, 2^204131134402 is an apocalyptic number.

204131134402 is a deficient number, since it is larger than the sum of its proper divisors (125619159674).

204131134402 is a wasteful number, since it uses less digits than its factorization.

204131134402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7851197492.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 204131134402 its reverse (204431131402), we get a palindrome (408562265804).

The spelling of 204131134402 in words is "two hundred four billion, one hundred thirty-one million, one hundred thirty-four thousand, four hundred two".