204131210340102 has 16 divisors (see below), whose sum is σ = 408267622616112. Its totient is φ = 68042869790720.

The previous prime is 204131210340059. The next prime is 204131210340121. The reversal of 204131210340102 is 201043012131402.

It is a congruent number.

It is an unprimeable number.

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, 216237099 + ... + 217179062.

It is an arithmetic number, because the mean of its divisors is an integer number (25516726413507).

Almost surely, 2^{204131210340102} is an apocalyptic number.

204131210340102 is an abundant number, since it is smaller than the sum of its proper divisors (204136412276010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204131210340102 is a wasteful number, since it uses less digits than its factorization.

204131210340102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433494663.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 204131210340102 its reverse (201043012131402), we get a palindrome (405174222471504).

The spelling of 204131210340102 in words is "two hundred four trillion, one hundred thirty-one billion, two hundred ten million, three hundred forty thousand, one hundred two".