316440012 has 48 divisors (see below), whose sum is σ = 846623232. Its totient is φ = 90113280.

The previous prime is 316440011. The next prime is 316440013. The reversal of 316440012 is 210044613.

It is an interprime number because it is at equal distance from previous prime (316440011) and next prime (316440013).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (316440011) 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 15 ways as a sum of consecutive naturals, for example, 20068 + ... + 32180.

It is an arithmetic number, because the mean of its divisors is an integer number (17637984).

Almost surely, 2^316440012 is an apocalyptic number.

It is an amenable number.

316440012 is an abundant number, since it is smaller than the sum of its proper divisors (530183220).

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

316440012 is a wasteful number, since it uses less digits than its factorization.

316440012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12438 (or 12436 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 316440012 is about 17788.7608337399. The cubic root of 316440012 is about 681.4444583391. Note that the first 4 decimals are identical.

Adding to 316440012 its reverse (210044613), we get a palindrome (526484625).

The spelling of 316440012 in words is "three hundred sixteen million, four hundred forty thousand, twelve".