317314430173 has 4 divisors (see below), whose sum is σ = 341723232508. Its totient is φ = 292905627840.

The previous prime is 317314430161. The next prime is 317314430207. The reversal of 317314430173 is 371034413713.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 371034413713 = 23 ⋅16131931031.

It can be written as a sum of positive squares in 2 ways, for example, as 162246228804 + 155068201369 = 402798^2 + 393787^2 .

It is a cyclic number.

It is not a de Polignac number, because 317314430173 - 2⁹ = 317314429661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317314230173) 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, 12204401148 + ... + 12204401173.

It is an arithmetic number, because the mean of its divisors is an integer number (85430808127).

Almost surely, 2^317314430173 is an apocalyptic number.

It is an amenable number.

317314430173 is a deficient number, since it is larger than the sum of its proper divisors (24408802335).

317314430173 is a wasteful number, since it uses less digits than its factorization.

317314430173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24408802334.

The product of its (nonzero) digits is 63504, while the sum is 37.

Adding to 317314430173 its reverse (371034413713), we get a palindrome (688348843886).

The spelling of 317314430173 in words is "three hundred seventeen billion, three hundred fourteen million, four hundred thirty thousand, one hundred seventy-three".