316320310642265 has 8 divisors (see below), whose sum is σ = 384784158699528. Its totient is φ = 249589724561280.

The previous prime is 316320310642117. The next prime is 316320310642283. The reversal of 316320310642265 is 562246013023613.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 48661450802176 + 267658859840089 = 6975776^2 + 16360283^2 .

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

It is not a de Polignac number, because 316320310642265 - 2¹² = 316320310638169 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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433315493666 + ... + 433315494395.

It is an arithmetic number, because the mean of its divisors is an integer number (48098019837441).

Almost surely, 2^{316320310642265} is an apocalyptic number.

It is an amenable number.

316320310642265 is a deficient number, since it is larger than the sum of its proper divisors (68463848057263).

316320310642265 is an equidigital number, since it uses as much as digits as its factorization.

316320310642265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866630988139.

The product of its (nonzero) digits is 933120, while the sum is 44.

Adding to 316320310642265 its reverse (562246013023613), we get a palindrome (878566323665878).

The spelling of 316320310642265 in words is "three hundred sixteen trillion, three hundred twenty billion, three hundred ten million, six hundred forty-two thousand, two hundred sixty-five".