316313331211 has 4 divisors (see below), whose sum is σ = 320768448624. Its totient is φ = 311858213800.

The previous prime is 316313331181. The next prime is 316313331239. The reversal of 316313331211 is 112133313613.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 316313331211 - 2¹³ = 316313323019 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 316313331211.

It is not an unprimeable number, because it can be changed into a prime (316313331281) 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, 2227558600 + ... + 2227558741.

It is an arithmetic number, because the mean of its divisors is an integer number (80192112156).

Almost surely, 2^316313331211 is an apocalyptic number.

316313331211 is a deficient number, since it is larger than the sum of its proper divisors (4455117413).

316313331211 is an equidigital number, since it uses as much as digits as its factorization.

316313331211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455117412.

The product of its digits is 2916, while the sum is 28.

Adding to 316313331211 its reverse (112133313613), we get a palindrome (428446644824).

The spelling of 316313331211 in words is "three hundred sixteen billion, three hundred thirteen million, three hundred thirty-one thousand, two hundred eleven".