1317839684371 has 4 divisors (see below), whose sum is σ = 1506102496432. Its totient is φ = 1129576872312.

The previous prime is 1317839684347. The next prime is 1317839684401. The reversal of 1317839684371 is 1734869387131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1317839684371 - 2²⁹ = 1317302813459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1317839681371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94131406020 + ... + 94131406033.

It is an arithmetic number, because the mean of its divisors is an integer number (376525624108).

Almost surely, 2^{1317839684371} is an apocalyptic number.

1317839684371 is a deficient number, since it is larger than the sum of its proper divisors (188262812061).

1317839684371 is an equidigital number, since it uses as much as digits as its factorization.

1317839684371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188262812060.

The product of its digits is 18289152, while the sum is 61.

The spelling of 1317839684371 in words is "one trillion, three hundred seventeen billion, eight hundred thirty-nine million, six hundred eighty-four thousand, three hundred seventy-one".