312705173116 has 96 divisors (see below), whose sum is σ = 714818442240. Its totient is φ = 116488694784.

The previous prime is 312705173101. The next prime is 312705173153. The reversal of 312705173116 is 611371507213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174970 + ... + 809953.

It is an arithmetic number, because the mean of its divisors is an integer number (7446025440).

Almost surely, 2^312705173116 is an apocalyptic number.

It is an amenable number.

312705173116 is an abundant number, since it is smaller than the sum of its proper divisors (402113269124).

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

312705173116 is a wasteful number, since it uses less digits than its factorization.

312705173116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985003 (or 985001 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 37.

The spelling of 312705173116 in words is "three hundred twelve billion, seven hundred five million, one hundred seventy-three thousand, one hundred sixteen".