313320211 has 4 divisors (see below), whose sum is σ = 313635472. Its totient is φ = 313004952.

The previous prime is 313320187. The next prime is 313320229. The reversal of 313320211 is 112023313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112023313 = 463 ⋅241951.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313320211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313320911) 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, 156135 + ... + 158128.

It is an arithmetic number, because the mean of its divisors is an integer number (78408868).

Almost surely, 2^313320211 is an apocalyptic number.

313320211 is a deficient number, since it is larger than the sum of its proper divisors (315261).

313320211 is an equidigital number, since it uses as much as digits as its factorization.

313320211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315260.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 313320211 is about 17700.8533975060. The cubic root of 313320211 is about 679.1975908603.

Adding to 313320211 its reverse (112023313), we get a palindrome (425343524).

The spelling of 313320211 in words is "three hundred thirteen million, three hundred twenty thousand, two hundred eleven".