316215005 has 16 divisors (see below), whose sum is σ = 402494400. Its totient is φ = 237818880.

The previous prime is 316214999. The next prime is 316215023. The reversal of 316215005 is 500512613.

It is not a de Polignac number, because 316215005 - 2²⁸ = 47779549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260 + ... + 25149.

It is an arithmetic number, because the mean of its divisors is an integer number (25155900).

Almost surely, 2^316215005 is an apocalyptic number.

It is an amenable number.

316215005 is a deficient number, since it is larger than the sum of its proper divisors (86279395).

316215005 is a wasteful number, since it uses less digits than its factorization.

316215005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25564.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 316215005 is about 17782.4352944134. The cubic root of 316215005 is about 681.2829046756.

Adding to 316215005 its reverse (500512613), we get a palindrome (816727618).

The spelling of 316215005 in words is "three hundred sixteen million, two hundred fifteen thousand, five".