312081965226 has 24 divisors (see below), whose sum is σ = 680484461124. Its totient is φ = 103364726400.

The previous prime is 312081965183. The next prime is 312081965257. The reversal of 312081965226 is 622569180213.

312081965226 is a `hidden beast` number, since 31 + 2 + 0 + 8 + 1 + 96 + 522 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 311782640625 + 299324601 = 558375^2 + 17301^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55213375 + ... + 55219026.

Almost surely, 2^312081965226 is an apocalyptic number.

312081965226 is an abundant number, since it is smaller than the sum of its proper divisors (368402495898).

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

312081965226 is a wasteful number, since it uses less digits than its factorization.

312081965226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110432566 (or 110432563 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 312081965226 in words is "three hundred twelve billion, eighty-one million, nine hundred sixty-five thousand, two hundred twenty-six".