313312223 has 12 divisors (see below), whose sum is σ = 383648760. Its totient is φ = 254418192.

The previous prime is 313312217. The next prime is 313312247. The reversal of 313312223 is 322213313.

It is not a de Polignac number, because 313312223 - 2²⁰ = 312263647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313312195 and 313312204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313312213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167336 + ... + 169197.

It is an arithmetic number, because the mean of its divisors is an integer number (31970730).

Almost surely, 2^313312223 is an apocalyptic number.

313312223 is a deficient number, since it is larger than the sum of its proper divisors (70336537).

313312223 is a wasteful number, since it uses less digits than its factorization.

313312223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336566 (or 336559 counting only the distinct ones).

The product of its digits is 648, while the sum is 20.

The square root of 313312223 is about 17700.6277572294. The cubic root of 313312223 is about 679.1918188351.

Adding to 313312223 its reverse (322213313), we get a palindrome (635525536).

The spelling of 313312223 in words is "three hundred thirteen million, three hundred twelve thousand, two hundred twenty-three".