204103314451 has 2 divisors, whose sum is σ = 204103314452. Its totient is φ = 204103314450.

The previous prime is 204103314439. The next prime is 204103314479. The reversal of 204103314451 is 154413301402.

It is an a-pointer prime, because the next prime (204103314479) can be obtained adding 204103314451 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204103314451 - 2⁵ = 204103314419 is a prime.

It is not a weakly prime, because it can be changed into another prime (202103314451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102051657225 + 102051657226.

It is an arithmetic number, because the mean of its divisors is an integer number (102051657226).

Almost surely, 2^204103314451 is an apocalyptic number.

204103314451 is a deficient number, since it is larger than the sum of its proper divisors (1).

204103314451 is an equidigital number, since it uses as much as digits as its factorization.

204103314451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 204103314451 its reverse (154413301402), we get a palindrome (358516615853).

The spelling of 204103314451 in words is "two hundred four billion, one hundred three million, three hundred fourteen thousand, four hundred fifty-one".