1310350321187 has 2 divisors, whose sum is σ = 1310350321188. Its totient is φ = 1310350321186.

The previous prime is 1310350321177. The next prime is 1310350321283. The reversal of 1310350321187 is 7811230530131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1310350321187 - 2¹⁸ = 1310350059043 is a prime.

It is a super-2 number, since 2×1310350321187² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1310350321177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655175160593 + 655175160594.

It is an arithmetic number, because the mean of its divisors is an integer number (655175160594).

Almost surely, 2^{1310350321187} is an apocalyptic number.

1310350321187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310350321187 is an equidigital number, since it uses as much as digits as its factorization.

1310350321187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 1310350321187 in words is "one trillion, three hundred ten billion, three hundred fifty million, three hundred twenty-one thousand, one hundred eighty-seven".