204131425311 has 24 divisors (see below), whose sum is σ = 321721585536. Its totient is φ = 123692959440.

The previous prime is 204131425271. The next prime is 204131425327. The reversal of 204131425311 is 113524131402.

204131425311 is a `hidden beast` number, since 20 + 41 + 31 + 42 + 531 + 1 = 666.

It is not a de Polignac number, because 204131425311 - 2¹¹ = 204131423263 is a prime.

It is a super-3 number, since 3×204131425311³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204131425711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 349446 + ... + 728268.

It is an arithmetic number, because the mean of its divisors is an integer number (13405066064).

Almost surely, 2^204131425311 is an apocalyptic number.

204131425311 is a deficient number, since it is larger than the sum of its proper divisors (117590160225).

204131425311 is a wasteful number, since it uses less digits than its factorization.

204131425311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384283 (or 384280 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 204131425311 its reverse (113524131402), we get a palindrome (317655556713).

The spelling of 204131425311 in words is "two hundred four billion, one hundred thirty-one million, four hundred twenty-five thousand, three hundred eleven".