204131203040413 has 16 divisors (see below), whose sum is σ = 222789859384320. Its totient is φ = 185489430951600.

The previous prime is 204131203040411. The next prime is 204131203040431. The reversal of 204131203040413 is 314040302131402.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 204131203040413 - 2¹ = 204131203040411 is a prime.

It is a super-2 number, since 2×204131203040413² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204131203040411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 914262156 + ... + 914485402.

It is an arithmetic number, because the mean of its divisors is an integer number (13924366211520).

Almost surely, 2^{204131203040413} is an apocalyptic number.

It is an amenable number.

204131203040413 is a deficient number, since it is larger than the sum of its proper divisors (18658656343907).

204131203040413 is a wasteful number, since it uses less digits than its factorization.

204131203040413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260688.

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

Adding to 204131203040413 its reverse (314040302131402), we get a palindrome (518171505171815).

The spelling of 204131203040413 in words is "two hundred four trillion, one hundred thirty-one billion, two hundred three million, forty thousand, four hundred thirteen".