316106297257 has 4 divisors (see below), whose sum is σ = 319006355140. Its totient is φ = 313206239376.

The previous prime is 316106297251. The next prime is 316106297281. The reversal of 316106297257 is 752792601613.

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 279138928896 + 36967368361 = 528336^2 + 192269^2 .

It is a cyclic number.

It is not a de Polignac number, because 316106297257 - 2¹¹ = 316106295209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316106297257.

It is not an unprimeable number, because it can be changed into a prime (316106297251) 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, 1450028778 + ... + 1450028995.

It is an arithmetic number, because the mean of its divisors is an integer number (79751588785).

Almost surely, 2^316106297257 is an apocalyptic number.

It is an amenable number.

316106297257 is a deficient number, since it is larger than the sum of its proper divisors (2900057883).

316106297257 is a wasteful number, since it uses less digits than its factorization.

316106297257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900057882.

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 316106297257 in words is "three hundred sixteen billion, one hundred six million, two hundred ninety-seven thousand, two hundred fifty-seven".