204402131413 has 8 divisors (see below), whose sum is σ = 216655798680. Its totient is φ = 192174021120.

The previous prime is 204402131369. The next prime is 204402131441. The reversal of 204402131413 is 314131204402.

204402131413 is digitally balanced in base 2, 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 4 ways, for example, as 119766521329 + 84635610084 = 346073^2 + 290922^2 .

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 204402131413 - 2⁹ = 204402130901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204402132413) 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, 6372768 + ... + 6404761.

It is an arithmetic number, because the mean of its divisors is an integer number (27081974835).

Almost surely, 2^204402131413 is an apocalyptic number.

It is an amenable number.

204402131413 is a deficient number, since it is larger than the sum of its proper divisors (12253667267).

204402131413 is a wasteful number, since it uses less digits than its factorization.

204402131413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12778487.

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

Adding to 204402131413 its reverse (314131204402), we get a palindrome (518533335815).

The spelling of 204402131413 in words is "two hundred four billion, four hundred two million, one hundred thirty-one thousand, four hundred thirteen".