313311223 has 4 divisors (see below), whose sum is σ = 313346848. Its totient is φ = 313275600.

The previous prime is 313311211. The next prime is 313311233. The reversal of 313311223 is 322113313.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 322113313 = 6173 ⋅52181.

It is a cyclic number.

It is not a de Polignac number, because 313311223 - 2¹⁷ = 313180151 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 313311223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313311233) 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, 5923 + ... + 25723.

It is an arithmetic number, because the mean of its divisors is an integer number (78336712).

Almost surely, 2^313311223 is an apocalyptic number.

313311223 is a deficient number, since it is larger than the sum of its proper divisors (35625).

313311223 is a wasteful number, since it uses less digits than its factorization.

313311223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35624.

The product of its digits is 324, while the sum is 19.

The square root of 313311223 is about 17700.5995096211. The cubic root of 313311223 is about 679.1910962411.

Adding to 313311223 its reverse (322113313), we get a palindrome (635424536).

The spelling of 313311223 in words is "three hundred thirteen million, three hundred eleven thousand, two hundred twenty-three".