317719349 has 6 divisors (see below), whose sum is σ = 335321910. Its totient is φ = 300996936.

The previous prime is 317719321. The next prime is 317719351. The reversal of 317719349 is 943917713.

It can be written as a sum of positive squares in only one way, i.e., 260822500 + 56896849 = 16150^2 + 7543^2 .

It is not a de Polignac number, because 317719349 - 2¹⁶ = 317653813 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 (317709349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 439694 + ... + 440415.

It is an arithmetic number, because the mean of its divisors is an integer number (55886985).

Almost surely, 2^317719349 is an apocalyptic number.

It is an amenable number.

317719349 is a deficient number, since it is larger than the sum of its proper divisors (17602561).

317719349 is an equidigital number, since it uses as much as digits as its factorization.

317719349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880147 (or 880128 counting only the distinct ones).

The product of its digits is 142884, while the sum is 44.

The square root of 317719349 is about 17824.6836998585. The cubic root of 317719349 is about 682.3615619958.

The spelling of 317719349 in words is "three hundred seventeen million, seven hundred nineteen thousand, three hundred forty-nine".