317221530311 has 16 divisors (see below), whose sum is σ = 379787596800. Its totient is φ = 259205008608.

The previous prime is 317221530299. The next prime is 317221530319. The reversal of 317221530311 is 113035122713.

It is a de Polignac number, because none of the positive numbers 2^k-317221530311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317221530319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9874265 + ... + 9906338.

It is an arithmetic number, because the mean of its divisors is an integer number (23736724800).

Almost surely, 2^317221530311 is an apocalyptic number.

317221530311 is a deficient number, since it is larger than the sum of its proper divisors (62566066489).

317221530311 is a wasteful number, since it uses less digits than its factorization.

317221530311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19780718.

The product of its (nonzero) digits is 3780, while the sum is 29.

The spelling of 317221530311 in words is "three hundred seventeen billion, two hundred twenty-one million, five hundred thirty thousand, three hundred eleven".