313281084317 has 4 divisors (see below), whose sum is σ = 313284432060. Its totient is φ = 313277736576.

The previous prime is 313281084313. The next prime is 313281084349. The reversal of 313281084317 is 713480182313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 713480182313 = 17 ⋅41969422489.

It can be written as a sum of positive squares in 2 ways, for example, as 87319659001 + 225961425316 = 295499^2 + 475354^2 .

It is a cyclic number.

It is not a de Polignac number, because 313281084317 - 2² = 313281084313 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 (313281084313) 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, 1529342 + ... + 1722047.

It is an arithmetic number, because the mean of its divisors is an integer number (78321108015).

Almost surely, 2^313281084317 is an apocalyptic number.

It is an amenable number.

313281084317 is a deficient number, since it is larger than the sum of its proper divisors (3347743).

313281084317 is an equidigital number, since it uses as much as digits as its factorization.

313281084317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347742.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 313281084317 in words is "three hundred thirteen billion, two hundred eighty-one million, eighty-four thousand, three hundred seventeen".