313012647 has 16 divisors (see below), whose sum is σ = 472474080. Its totient is φ = 204736896.

The previous prime is 313012643. The next prime is 313012657. The reversal of 313012647 is 746210313.

313012647 is a `hidden beast` number, since 3 + 1 + 3 + 0 + 12 + 647 = 666.

It is not a de Polignac number, because 313012647 - 2² = 313012643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 313012647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313012643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107938 + ... + 110799.

It is an arithmetic number, because the mean of its divisors is an integer number (29529630).

Almost surely, 2^313012647 is an apocalyptic number.

313012647 is a deficient number, since it is larger than the sum of its proper divisors (159461433).

313012647 is a wasteful number, since it uses less digits than its factorization.

313012647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218799 (or 218793 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 313012647 is about 17692.1634346962. The cubic root of 313012647 is about 678.9752782327.

The spelling of 313012647 in words is "three hundred thirteen million, twelve thousand, six hundred forty-seven".