313994647 has 2 divisors, whose sum is σ = 313994648. Its totient is φ = 313994646.

The previous prime is 313994623. The next prime is 313994651. The reversal of 313994647 is 746499313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313994647 - 2²³ = 305606039 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 313994597 and 313994606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313994657) 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 as a sum of consecutive naturals, namely, 156997323 + 156997324.

It is an arithmetic number, because the mean of its divisors is an integer number (156997324).

Almost surely, 2^313994647 is an apocalyptic number.

313994647 is a deficient number, since it is larger than the sum of its proper divisors (1).

313994647 is an equidigital number, since it uses as much as digits as its factorization.

313994647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 46.

The square root of 313994647 is about 17719.8941023924. The cubic root of 313994647 is about 679.6845761731.

It can be divided in two parts, 31399 and 4647, that added together give a triangular number (36046 = T₂₆₈).

The spelling of 313994647 in words is "three hundred thirteen million, nine hundred ninety-four thousand, six hundred forty-seven".