1310929717 has 4 divisors (see below), whose sum is σ = 1356134220. Its totient is φ = 1265725216.

The previous prime is 1310929699. The next prime is 1310929727. The reversal of 1310929717 is 7179290131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7179290131 = 13 ⋅552253087.

It can be written as a sum of positive squares in 2 ways, for example, as 664041361 + 646888356 = 25769^2 + 25434^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310929717 - 2¹¹ = 1310927669 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1310929717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310929727) 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, 22602208 + ... + 22602265.

It is an arithmetic number, because the mean of its divisors is an integer number (339033555).

Almost surely, 2^1310929717 is an apocalyptic number.

It is an amenable number.

1310929717 is a deficient number, since it is larger than the sum of its proper divisors (45204503).

1310929717 is an equidigital number, since it uses as much as digits as its factorization.

1310929717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45204502.

The product of its (nonzero) digits is 23814, while the sum is 40.

The square root of 1310929717 is about 36206.7634151411. The cubic root of 1310929717 is about 1094.4429704403.

The spelling of 1310929717 in words is "one billion, three hundred ten million, nine hundred twenty-nine thousand, seven hundred seventeen".