1340200313 has 2 divisors, whose sum is σ = 1340200314. Its totient is φ = 1340200312.

The previous prime is 1340200297. The next prime is 1340200343. The reversal of 1340200313 is 3130020431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1255780969 + 84419344 = 35437^2 + 9188^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340200313 - 2⁴ = 1340200297 is a prime.

It is a super-2 number, since 2×1340200313² = 3592273757930595938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1340200291 and 1340200300.

It is not a weakly prime, because it can be changed into another prime (1340200343) 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, 670100156 + 670100157.

It is an arithmetic number, because the mean of its divisors is an integer number (670100157).

Almost surely, 2^1340200313 is an apocalyptic number.

It is an amenable number.

1340200313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340200313 is an equidigital number, since it uses as much as digits as its factorization.

1340200313 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1340200313 is about 36608.7464002798. The cubic root of 1340200313 is about 1102.5287039933.

Adding to 1340200313 its reverse (3130020431), we get a palindrome (4470220744).

The spelling of 1340200313 in words is "one billion, three hundred forty million, two hundred thousand, three hundred thirteen".