313011222305 has 8 divisors (see below), whose sum is σ = 385765182312. Its totient is φ = 243641167488.

The previous prime is 313011222253. The next prime is 313011222311. The reversal of 313011222305 is 503222110313.

It can be written as a sum of positive squares in 4 ways, for example, as 9102686464 + 303908535841 = 95408^2 + 551279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313011222305 - 2¹⁶ = 313011156769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 845976092 + ... + 845976461.

It is an arithmetic number, because the mean of its divisors is an integer number (48220647789).

Almost surely, 2^313011222305 is an apocalyptic number.

It is an amenable number.

313011222305 is a deficient number, since it is larger than the sum of its proper divisors (72753960007).

313011222305 is a wasteful number, since it uses less digits than its factorization.

313011222305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691952595.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 313011222305 its reverse (503222110313), we get a palindrome (816233332618).

The spelling of 313011222305 in words is "three hundred thirteen billion, eleven million, two hundred twenty-two thousand, three hundred five".