1340310203 has 8 divisors (see below), whose sum is σ = 1384037760. Its totient is φ = 1296613440.

The previous prime is 1340310193. The next prime is 1340310227. The reversal of 1340310203 is 3020130431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1340310203 - 2⁴ = 1340310187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340312203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109151 + ... + 120807.

It is an arithmetic number, because the mean of its divisors is an integer number (173004720).

Almost surely, 2^1340310203 is an apocalyptic number.

1340310203 is a deficient number, since it is larger than the sum of its proper divisors (43727557).

1340310203 is a wasteful number, since it uses less digits than its factorization.

1340310203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15397.

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

The square root of 1340310203 is about 36610.2472403561. The cubic root of 1340310203 is about 1102.5588371923.

Adding to 1340310203 its reverse (3020130431), we get a palindrome (4360440634).

The spelling of 1340310203 in words is "one billion, three hundred forty million, three hundred ten thousand, two hundred three".