313072847 has 4 divisors (see below), whose sum is σ = 313144920. Its totient is φ = 313000776.

The previous prime is 313072841. The next prime is 313072871. The reversal of 313072847 is 748270313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 748270313 = 7 ⋅106895759.

It is a cyclic number.

It is not a de Polignac number, because 313072847 - 2¹² = 313068751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313072841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29072 + ... + 38357.

It is an arithmetic number, because the mean of its divisors is an integer number (78286230).

Almost surely, 2^313072847 is an apocalyptic number.

313072847 is a deficient number, since it is larger than the sum of its proper divisors (72073).

313072847 is an equidigital number, since it uses as much as digits as its factorization.

313072847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72072.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 313072847 is about 17693.8646711226. The cubic root of 313072847 is about 679.0188033022.

The spelling of 313072847 in words is "three hundred thirteen million, seventy-two thousand, eight hundred forty-seven".