317213011 has 4 divisors (see below), whose sum is σ = 323962272. Its totient is φ = 310463752.

The previous prime is 317212967. The next prime is 317213053. The reversal of 317213011 is 110312713.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 317213011 - 2¹⁷ = 317081939 is a prime.

It is a super-2 number, since 2×317213011² = 201248188695372242, which contains 22 as substring.

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 317213011.

It is not an unprimeable number, because it can be changed into a prime (317243011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3374560 + ... + 3374653.

It is an arithmetic number, because the mean of its divisors is an integer number (80990568).

Almost surely, 2^317213011 is an apocalyptic number.

317213011 is a deficient number, since it is larger than the sum of its proper divisors (6749261).

317213011 is an equidigital number, since it uses as much as digits as its factorization.

317213011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6749260.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 317213011 is about 17810.4747550423. The cubic root of 317213011 is about 681.9988841667.

Adding to 317213011 its reverse (110312713), we get a palindrome (427525724).

The spelling of 317213011 in words is "three hundred seventeen million, two hundred thirteen thousand, eleven".