312707000309 has 16 divisors (see below), whose sum is σ = 341852800896. Its totient is φ = 283681305600.

The previous prime is 312707000299. The next prime is 312707000323. The reversal of 312707000309 is 903000707213.

It is a de Polignac number, because none of the positive numbers 2^k-312707000309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312707003309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15674789 + ... + 15694725.

It is an arithmetic number, because the mean of its divisors is an integer number (21365800056).

Almost surely, 2^312707000309 is an apocalyptic number.

It is an amenable number.

312707000309 is a deficient number, since it is larger than the sum of its proper divisors (29145800587).

312707000309 is a wasteful number, since it uses less digits than its factorization.

312707000309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22876.

The product of its (nonzero) digits is 7938, while the sum is 32.

The spelling of 312707000309 in words is "three hundred twelve billion, seven hundred seven million, three hundred nine", and thus it is an aban number.