268313105 has 4 divisors (see below), whose sum is σ = 321975732. Its totient is φ = 214650480.

The previous prime is 268313053. The next prime is 268313119. The reversal of 268313105 is 501313862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 172449424 + 95863681 = 13132^2 + 9791^2 .

It is not a de Polignac number, because 268313105 - 2¹⁰ = 268312081 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26831306 + ... + 26831315.

It is an arithmetic number, because the mean of its divisors is an integer number (80493933).

Almost surely, 2^268313105 is an apocalyptic number.

It is an amenable number.

268313105 is a deficient number, since it is larger than the sum of its proper divisors (53662627).

268313105 is an equidigital number, since it uses as much as digits as its factorization.

268313105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53662626.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 268313105 is about 16380.2657182355. The cubic root of 268313105 is about 644.9815550682.

Adding to 268313105 its reverse (501313862), we get a palindrome (769626967).

The spelling of 268313105 in words is "two hundred sixty-eight million, three hundred thirteen thousand, one hundred five".