1311133202947 has 2 divisors, whose sum is σ = 1311133202948. Its totient is φ = 1311133202946.

The previous prime is 1311133202941. The next prime is 1311133203101. The reversal of 1311133202947 is 7492023311131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1311133202947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311133202941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655566601473 + 655566601474.

It is an arithmetic number, because the mean of its divisors is an integer number (655566601474).

Almost surely, 2^{1311133202947} is an apocalyptic number.

1311133202947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311133202947 is an equidigital number, since it uses as much as digits as its factorization.

1311133202947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 1311133202947 in words is "one trillion, three hundred eleven billion, one hundred thirty-three million, two hundred two thousand, nine hundred forty-seven".