103430042503 has 2 divisors, whose sum is σ = 103430042504. Its totient is φ = 103430042502.

The previous prime is 103430042497. The next prime is 103430042537. The reversal of 103430042503 is 305240034301.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103430042503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103430042203) 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, 51715021251 + 51715021252.

It is an arithmetic number, because the mean of its divisors is an integer number (51715021252).

Almost surely, 2^103430042503 is an apocalyptic number.

103430042503 is a deficient number, since it is larger than the sum of its proper divisors (1).

103430042503 is an equidigital number, since it uses as much as digits as its factorization.

103430042503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 103430042503 its reverse (305240034301), we get a palindrome (408670076804).

The spelling of 103430042503 in words is "one hundred three billion, four hundred thirty million, forty-two thousand, five hundred three".