316086221 has 8 divisors (see below), whose sum is σ = 346370304. Its totient is φ = 286060320.

The previous prime is 316086209. The next prime is 316086241. The reversal of 316086221 is 122680613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 316086221 - 2¹⁴ = 316069837 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 (316086241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61976 + ... + 66881.

It is an arithmetic number, because the mean of its divisors is an integer number (43296288).

Almost surely, 2^316086221 is an apocalyptic number.

It is an amenable number.

316086221 is a deficient number, since it is larger than the sum of its proper divisors (30284083).

316086221 is a wasteful number, since it uses less digits than its factorization.

316086221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129091.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 316086221 is about 17778.8138243247. The cubic root of 316086221 is about 681.1904040564.

The spelling of 316086221 in words is "three hundred sixteen million, eighty-six thousand, two hundred twenty-one".