204131311234 has 8 divisors (see below), whose sum is σ = 306199215180. Its totient is φ = 102064906176.

The previous prime is 204131311231. The next prime is 204131311259. The reversal of 204131311234 is 432113131402.

204131311234 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 2 ways, for example, as 202592710609 + 1538600625 = 450103^2 + 39225^2 .

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

It is a super-2 number, since 2×204131311234² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204131311199 and 204131311208.

It is not an unprimeable number, because it can be changed into a prime (204131311231) 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 3 ways as a sum of consecutive naturals, for example, 72502 + ... + 643054.

Almost surely, 2^204131311234 is an apocalyptic number.

204131311234 is a deficient number, since it is larger than the sum of its proper divisors (102067903946).

204131311234 is a wasteful number, since it uses less digits than its factorization.

204131311234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749444.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 204131311234 its reverse (432113131402), we get a palindrome (636244442636).

The spelling of 204131311234 in words is "two hundred four billion, one hundred thirty-one million, three hundred eleven thousand, two hundred thirty-four".