317126289 has 4 divisors (see below), whose sum is σ = 422835056. Its totient is φ = 211417524.

The previous prime is 317126287. The next prime is 317126291. The reversal of 317126289 is 982621713.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (317126287) and next prime (317126291).

It is not a de Polignac number, because 317126289 - 2¹ = 317126287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317126287) 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, 52854379 + ... + 52854384.

It is an arithmetic number, because the mean of its divisors is an integer number (105708764).

Almost surely, 2^317126289 is an apocalyptic number.

It is an amenable number.

317126289 is a deficient number, since it is larger than the sum of its proper divisors (105708767).

317126289 is a wasteful number, since it uses less digits than its factorization.

317126289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105708766.

The product of its digits is 36288, while the sum is 39.

The square root of 317126289 is about 17808.0400100629. The cubic root of 317126289 is about 681.9367285638.

The spelling of 317126289 in words is "three hundred seventeen million, one hundred twenty-six thousand, two hundred eighty-nine".