317214055 has 4 divisors (see below), whose sum is σ = 380656872. Its totient is φ = 253771240.

The previous prime is 317214049. The next prime is 317214059. The reversal of 317214055 is 550412713.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550412713 = 433 ⋅1271161.

It is not a de Polignac number, because 317214055 - 2¹⁹ = 316689767 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 (317214059) 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, 31721401 + ... + 31721410.

It is an arithmetic number, because the mean of its divisors is an integer number (95164218).

Almost surely, 2^317214055 is an apocalyptic number.

317214055 is a deficient number, since it is larger than the sum of its proper divisors (63442817).

317214055 is an equidigital number, since it uses as much as digits as its factorization.

317214055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63442816.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 317214055 is about 17810.5040636137. The cubic root of 317214055 is about 681.9996323559. Note that the first 3 decimals are identical.

Adding to 317214055 its reverse (550412713), we get a palindrome (867626768).

The spelling of 317214055 in words is "three hundred seventeen million, two hundred fourteen thousand, fifty-five".