316105216 has 80 divisors (see below), whose sum is σ = 730667520. Its totient is φ = 133816320.

The previous prime is 316105211. The next prime is 316105253. The reversal of 316105216 is 612501613.

It is not an unprimeable number, because it can be changed into a prime (316105211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318481 + ... + 319471.

It is an arithmetic number, because the mean of its divisors is an integer number (9133344).

Almost surely, 2^316105216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316105216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365333760).

316105216 is an abundant number, since it is smaller than the sum of its proper divisors (414562304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316105216 is an frugal number, since it uses more digits than its factorization.

316105216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 316105216 is about 17779.3480195422. The cubic root of 316105216 is about 681.2040490175.

Adding to 316105216 its reverse (612501613), we get a palindrome (928606829).

The spelling of 316105216 in words is "three hundred sixteen million, one hundred five thousand, two hundred sixteen".