204434111231103 has 64 divisors (see below), whose sum is σ = 298264555556352. Its totient is φ = 123787869511680.

The previous prime is 204434111231069. The next prime is 204434111231191. The reversal of 204434111231103 is 301132111434402.

It is not a de Polignac number, because 204434111231103 - 2¹⁷ = 204434111100031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204434111230103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10302570900 + ... + 10302590742.

It is an arithmetic number, because the mean of its divisors is an integer number (4660383680568).

Almost surely, 2^{204434111231103} is an apocalyptic number.

204434111231103 is a deficient number, since it is larger than the sum of its proper divisors (93830444325249).

204434111231103 is a wasteful number, since it uses less digits than its factorization.

204434111231103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24184.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 204434111231103 its reverse (301132111434402), we get a palindrome (505566222665505).

The spelling of 204434111231103 in words is "two hundred four trillion, four hundred thirty-four billion, one hundred eleven million, two hundred thirty-one thousand, one hundred three".