1312088287 has 2 divisors, whose sum is σ = 1312088288. Its totient is φ = 1312088286.

The previous prime is 1312088257. The next prime is 1312088293. The reversal of 1312088287 is 7828802131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312088287 - 2¹¹ = 1312086239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312088227) 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, 656044143 + 656044144.

It is an arithmetic number, because the mean of its divisors is an integer number (656044144).

Almost surely, 2^1312088287 is an apocalyptic number.

1312088287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312088287 is an equidigital number, since it uses as much as digits as its factorization.

1312088287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 1312088287 is about 36222.7592405659. The cubic root of 1312088287 is about 1094.7652901445.

The spelling of 1312088287 in words is "one billion, three hundred twelve million, eighty-eight thousand, two hundred eighty-seven".