316211005 has 32 divisors (see below), whose sum is σ = 429981696. Its totient is φ = 221160000.

The previous prime is 316211003. The next prime is 316211011. The reversal of 316211005 is 500112613.

It is not a de Polignac number, because 316211005 - 2¹ = 316211003 is a prime.

It is a super-2 number, since 2×316211005² = 199978799366220050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316211003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325170 + ... + 326140.

It is an arithmetic number, because the mean of its divisors is an integer number (13436928).

Almost surely, 2^316211005 is an apocalyptic number.

It is an amenable number.

316211005 is a deficient number, since it is larger than the sum of its proper divisors (113770691).

316211005 is a wasteful number, since it uses less digits than its factorization.

316211005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 316211005 is about 17782.3228235234. The cubic root of 316211005 is about 681.2800320066.

Adding to 316211005 its reverse (500112613), we get a palindrome (816323618).

The spelling of 316211005 in words is "three hundred sixteen million, two hundred eleven thousand, five".