204240100003 has 2 divisors, whose sum is σ = 204240100004. Its totient is φ = 204240100002.

The previous prime is 204240099989. The next prime is 204240100033. The reversal of 204240100003 is 300001042402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204240100003 - 2⁵ = 204240099971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204240100003.

It is not a weakly prime, because it can be changed into another prime (204240100033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102120050001 + 102120050002.

It is an arithmetic number, because the mean of its divisors is an integer number (102120050002).

Almost surely, 2^204240100003 is an apocalyptic number.

204240100003 is a deficient number, since it is larger than the sum of its proper divisors (1).

204240100003 is an equidigital number, since it uses as much as digits as its factorization.

204240100003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 204240100003 its reverse (300001042402), we get a palindrome (504241142405).

The spelling of 204240100003 in words is "two hundred four billion, two hundred forty million, one hundred thousand, three".