340130503 has 2 divisors, whose sum is σ = 340130504. Its totient is φ = 340130502.

The previous prime is 340130501. The next prime is 340130507. The reversal of 340130503 is 305031043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340130503 - 2¹ = 340130501 is a prime.

Together with 340130501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340130501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170065251 + 170065252.

It is an arithmetic number, because the mean of its divisors is an integer number (170065252).

Almost surely, 2^340130503 is an apocalyptic number.

340130503 is a deficient number, since it is larger than the sum of its proper divisors (1).

340130503 is an equidigital number, since it uses as much as digits as its factorization.

340130503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 340130503 is about 18442.6273345204. The cubic root of 340130503 is about 698.0424922750.

Adding to 340130503 its product of nonzero digits (540), we get a palindrome (340131043).

Adding to 340130503 its reverse (305031043), we get a palindrome (645161546).

The spelling of 340130503 in words is "three hundred forty million, one hundred thirty thousand, five hundred three".