1340103203 has 16 divisors (see below), whose sum is σ = 1378218240. Its totient is φ = 1302655200.

The previous prime is 1340103197. The next prime is 1340103223. The reversal of 1340103203 is 3023010431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1340103203 - 2⁴ = 1340103187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340103223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3182933 + ... + 3183353.

It is an arithmetic number, because the mean of its divisors is an integer number (86138640).

Almost surely, 2^1340103203 is an apocalyptic number.

1340103203 is a deficient number, since it is larger than the sum of its proper divisors (38115037).

1340103203 is a wasteful number, since it uses less digits than its factorization.

1340103203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1340103203 is about 36607.4200538634. The cubic root of 1340103203 is about 1102.5020738576.

Adding to 1340103203 its reverse (3023010431), we get a palindrome (4363113634).

The spelling of 1340103203 in words is "one billion, three hundred forty million, one hundred three thousand, two hundred three".