1307318297217 has 8 divisors (see below), whose sum is σ = 1760349390720. Its totient is φ = 862916367600.

The previous prime is 1307318297203. The next prime is 1307318297237. The reversal of 1307318297217 is 7127928137031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1307318297217 - 2¹² = 1307318293121 is a prime.

It is a super-2 number, since 2×1307318297217² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1307318297217.

It is not an unprimeable number, because it can be changed into a prime (1307318297237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2157290617 + ... + 2157291222.

It is an arithmetic number, because the mean of its divisors is an integer number (220043673840).

Almost surely, 2^{1307318297217} is an apocalyptic number.

It is an amenable number.

1307318297217 is a deficient number, since it is larger than the sum of its proper divisors (453031093503).

1307318297217 is a wasteful number, since it uses less digits than its factorization.

1307318297217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314581943.

The product of its (nonzero) digits is 889056, while the sum is 51.

The spelling of 1307318297217 in words is "one trillion, three hundred seven billion, three hundred eighteen million, two hundred ninety-seven thousand, two hundred seventeen".