204344041431 has 16 divisors (see below), whose sum is σ = 289638253440. Its totient is φ = 127781575200.

The previous prime is 204344041417. The next prime is 204344041471. The reversal of 204344041431 is 134140443402.

It is not a de Polignac number, because 204344041431 - 2⁷ = 204344041303 is a prime.

It is a super-2 number, since 2×204344041431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204344041471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17741685 + ... + 17753198.

It is an arithmetic number, because the mean of its divisors is an integer number (18102390840).

Almost surely, 2^204344041431 is an apocalyptic number.

204344041431 is a deficient number, since it is larger than the sum of its proper divisors (85294212009).

204344041431 is a wasteful number, since it uses less digits than its factorization.

204344041431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35495006.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 204344041431 its reverse (134140443402), we get a palindrome (338484484833).

The spelling of 204344041431 in words is "two hundred four billion, three hundred forty-four million, forty-one thousand, four hundred thirty-one".