1340310341 has 2 divisors, whose sum is σ = 1340310342. Its totient is φ = 1340310340.

The previous prime is 1340310317. The next prime is 1340310353. The reversal of 1340310341 is 1430130431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 940710241 + 399600100 = 30671^2 + 19990^2 .

It is an emirp because it is prime and its reverse (1430130431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1340310341 - 2¹⁰ = 1340309317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340310241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670155170 + 670155171.

It is an arithmetic number, because the mean of its divisors is an integer number (670155171).

Almost surely, 2^1340310341 is an apocalyptic number.

It is an amenable number.

1340310341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340310341 is an equidigital number, since it uses as much as digits as its factorization.

1340310341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1340310341 is about 36610.2491250743. The cubic root of 1340310341 is about 1102.5588750326.

Adding to 1340310341 its reverse (1430130431), we get a palindrome (2770440772).

The spelling of 1340310341 in words is "one billion, three hundred forty million, three hundred ten thousand, three hundred forty-one".