312016680 has 48 divisors (see below), whose sum is σ = 1014055380. Its totient is φ = 83204352.

The previous prime is 312016667. The next prime is 312016681. The reversal of 312016680 is 86610213.

It can be written as a sum of positive squares in 2 ways, for example, as 307581444 + 4435236 = 17538^2 + 2106^2 .

It is not an unprimeable number, because it can be changed into a prime (312016681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 432997 + ... + 433716.

Almost surely, 2^312016680 is an apocalyptic number.

312016680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312016680 is an abundant number, since it is smaller than the sum of its proper divisors (702038700).

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

312016680 is a wasteful number, since it uses less digits than its factorization.

312016680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866730 (or 866723 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 312016680 is about 17663.9938858685. The cubic root of 312016680 is about 678.2543750128.

Adding to 312016680 its reverse (86610213), we get a palindrome (398626893).

The spelling of 312016680 in words is "three hundred twelve million, sixteen thousand, six hundred eighty".