1311003299987 has 2 divisors, whose sum is σ = 1311003299988. Its totient is φ = 1311003299986.

The previous prime is 1311003299959. The next prime is 1311003300007. The reversal of 1311003299987 is 7899923001131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1311003299987 - 2³⁴ = 1293823430803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311003299087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655501649993 + 655501649994.

It is an arithmetic number, because the mean of its divisors is an integer number (655501649994).

Almost surely, 2^{1311003299987} is an apocalyptic number.

1311003299987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311003299987 is an equidigital number, since it uses as much as digits as its factorization.

1311003299987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 53.

The spelling of 1311003299987 in words is "one trillion, three hundred eleven billion, three million, two hundred ninety-nine thousand, nine hundred eighty-seven".