316312273 has 4 divisors (see below), whose sum is σ = 316365808. Its totient is φ = 316258740.

The previous prime is 316312237. The next prime is 316312277. The reversal of 316312273 is 372213613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 316312273 - 2¹³ = 316304081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316312277) 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, 16623 + ... + 30148.

It is an arithmetic number, because the mean of its divisors is an integer number (79091452).

Almost surely, 2^316312273 is an apocalyptic number.

It is an amenable number.

316312273 is a deficient number, since it is larger than the sum of its proper divisors (53535).

316312273 is an equidigital number, since it uses as much as digits as its factorization.

316312273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53534.

The product of its digits is 4536, while the sum is 28.

The square root of 316312273 is about 17785.1700301122. The cubic root of 316312273 is about 681.3527519115.

Adding to 316312273 its reverse (372213613), we get a palindrome (688525886).

The spelling of 316312273 in words is "three hundred sixteen million, three hundred twelve thousand, two hundred seventy-three".