1345103203 has 2 divisors, whose sum is σ = 1345103204. Its totient is φ = 1345103202.

The previous prime is 1345103141. The next prime is 1345103213. The reversal of 1345103203 is 3023015431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1345103203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1345103213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672551601 + 672551602.

It is an arithmetic number, because the mean of its divisors is an integer number (672551602).

Almost surely, 2^1345103203 is an apocalyptic number.

1345103203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345103203 is an equidigital number, since it uses as much as digits as its factorization.

1345103203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1345103203 is about 36675.6486377542. The cubic root of 1345103203 is about 1103.8715377179.

Adding to 1345103203 its reverse (3023015431), we get a palindrome (4368118634).

The spelling of 1345103203 in words is "one billion, three hundred forty-five million, one hundred three thousand, two hundred three".