1310987698291 has 2 divisors, whose sum is σ = 1310987698292. Its totient is φ = 1310987698290.

The previous prime is 1310987698213. The next prime is 1310987698333. The reversal of 1310987698291 is 1928967890131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1310987698291 - 2⁹ = 1310987697779 is a prime.

It is not a weakly prime, because it can be changed into another prime (1310987692291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655493849145 + 655493849146.

It is an arithmetic number, because the mean of its divisors is an integer number (655493849146).

Almost surely, 2^{1310987698291} is an apocalyptic number.

1310987698291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310987698291 is an equidigital number, since it uses as much as digits as its factorization.

1310987698291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11757312, while the sum is 64.

The spelling of 1310987698291 in words is "one trillion, three hundred ten billion, nine hundred eighty-seven million, six hundred ninety-eight thousand, two hundred ninety-one".