312583138860 has 96 divisors (see below), whose sum is σ = 903614164992. Its totient is φ = 80653397760.

The previous prime is 312583138859. The next prime is 312583138867. The reversal of 312583138860 is 68831385213.

It is not an unprimeable number, because it can be changed into a prime (312583138867) 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 31 ways as a sum of consecutive naturals, for example, 16967014 + ... + 16985426.

It is an arithmetic number, because the mean of its divisors is an integer number (9412647552).

Almost surely, 2^312583138860 is an apocalyptic number.

312583138860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312583138860 is an abundant number, since it is smaller than the sum of its proper divisors (591031026132).

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

312583138860 is a wasteful number, since it uses less digits than its factorization.

312583138860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27583 (or 27581 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 312583138860 in words is "three hundred twelve billion, five hundred eighty-three million, one hundred thirty-eight thousand, eight hundred sixty".