316315161 has 12 divisors (see below), whose sum is σ = 457524288. Its totient is φ = 210588504.

The previous prime is 316315147. The next prime is 316315169. The reversal of 316315161 is 161513613.

It is not a de Polignac number, because 316315161 - 2¹⁰ = 316314137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (316315169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16965 + ... + 30338.

It is an arithmetic number, because the mean of its divisors is an integer number (38127024).

Almost surely, 2^316315161 is an apocalyptic number.

It is an amenable number.

316315161 is a deficient number, since it is larger than the sum of its proper divisors (141209127).

316315161 is a wasteful number, since it uses less digits than its factorization.

316315161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48052 (or 48049 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 316315161 is about 17785.2512211664. The cubic root of 316315161 is about 681.3548255382.

Adding to 316315161 its reverse (161513613), we get a palindrome (477828774).

The spelling of 316315161 in words is "three hundred sixteen million, three hundred fifteen thousand, one hundred sixty-one".