313212322223 has 4 divisors (see below), whose sum is σ = 315022798248. Its totient is φ = 311401846200.

The previous prime is 313212322153. The next prime is 313212322229. The reversal of 313212322223 is 322223212313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322223212313 = 71 ⋅4538355103.

It is a cyclic number.

It is not a de Polignac number, because 313212322223 - 2³⁰ = 312138580399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313212322192 and 313212322201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313212322229) 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, 905237753 + ... + 905238098.

It is an arithmetic number, because the mean of its divisors is an integer number (78755699562).

Almost surely, 2^313212322223 is an apocalyptic number.

313212322223 is a deficient number, since it is larger than the sum of its proper divisors (1810476025).

313212322223 is a wasteful number, since it uses less digits than its factorization.

313212322223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810476024.

The product of its digits is 5184, while the sum is 26.

Adding to 313212322223 its reverse (322223212313), we get a palindrome (635435534536).

The spelling of 313212322223 in words is "three hundred thirteen billion, two hundred twelve million, three hundred twenty-two thousand, two hundred twenty-three".