204431140111 has 32 divisors (see below), whose sum is σ = 246060866880. Its totient is φ = 167649484800.

The previous prime is 204431140103. The next prime is 204431140139. The reversal of 204431140111 is 111041134402.

It is not a de Polignac number, because 204431140111 - 2³ = 204431140103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204431140411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 605371 + ... + 880531.

It is an arithmetic number, because the mean of its divisors is an integer number (7689402090).

Almost surely, 2^204431140111 is an apocalyptic number.

204431140111 is a deficient number, since it is larger than the sum of its proper divisors (41629726769).

204431140111 is a wasteful number, since it uses less digits than its factorization.

204431140111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275355.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 204431140111 its reverse (111041134402), we get a palindrome (315472274513).

The spelling of 204431140111 in words is "two hundred four billion, four hundred thirty-one million, one hundred forty thousand, one hundred eleven".