1311340367 has 2 divisors, whose sum is σ = 1311340368. Its totient is φ = 1311340366.

The previous prime is 1311340361. The next prime is 1311340403. The reversal of 1311340367 is 7630431131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1311340367 - 2⁸ = 1311340111 is a prime.

It is a super-2 number, since 2×1311340367² = 3439227116247389378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311340361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655670183 + 655670184.

It is an arithmetic number, because the mean of its divisors is an integer number (655670184).

Almost surely, 2^1311340367 is an apocalyptic number.

1311340367 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311340367 is an equidigital number, since it uses as much as digits as its factorization.

1311340367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 1311340367 is about 36212.4338729117. The cubic root of 1311340367 is about 1094.5572369490.

Adding to 1311340367 its reverse (7630431131), we get a palindrome (8941771498).

The spelling of 1311340367 in words is "one billion, three hundred eleven million, three hundred forty thousand, three hundred sixty-seven".