313255956017 has 4 divisors (see below), whose sum is σ = 313262742516. Its totient is φ = 313249169520.

The previous prime is 313255955981. The next prime is 313255956023. The reversal of 313255956017 is 710659552313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 710659552313 = 107 ⋅6641678059.

It can be written as a sum of positive squares in 2 ways, for example, as 99063785536 + 214192170481 = 314744^2 + 462809^2 .

It is a cyclic number.

It is not a de Polignac number, because 313255956017 - 2³⁰ = 312182214193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313255950017) 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, 3323534 + ... + 3416487.

It is an arithmetic number, because the mean of its divisors is an integer number (78315685629).

Almost surely, 2^313255956017 is an apocalyptic number.

It is an amenable number.

313255956017 is a deficient number, since it is larger than the sum of its proper divisors (6786499).

313255956017 is an equidigital number, since it uses as much as digits as its factorization.

313255956017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786498.

The product of its (nonzero) digits is 850500, while the sum is 47.

The spelling of 313255956017 in words is "three hundred thirteen billion, two hundred fifty-five million, nine hundred fifty-six thousand, seventeen".