1340311103 has 2 divisors, whose sum is σ = 1340311104. Its totient is φ = 1340311102.

The previous prime is 1340311073. The next prime is 1340311109. The reversal of 1340311103 is 3011130431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1340311103 - 2¹⁴ = 1340294719 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340311109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670155551 + 670155552.

It is an arithmetic number, because the mean of its divisors is an integer number (670155552).

Almost surely, 2^1340311103 is an apocalyptic number.

1340311103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340311103 is an equidigital number, since it uses as much as digits as its factorization.

1340311103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1340311103 is about 36610.2595319946. The cubic root of 1340311103 is about 1102.5590839766.

Adding to 1340311103 its reverse (3011130431), we get a palindrome (4351441534).

The spelling of 1340311103 in words is "one billion, three hundred forty million, three hundred eleven thousand, one hundred three".