313232223 has 4 divisors (see below), whose sum is σ = 417642968. Its totient is φ = 208821480.

The previous prime is 313232221. The next prime is 313232237. The reversal of 313232223 is 322232313.

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

It is not a de Polignac number, because 313232223 - 2¹ = 313232221 is a prime.

It is a super-2 number, since 2×313232223² = 196228851051043458, which contains 22 as substring.

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 313232223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313232221) 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 3 ways as a sum of consecutive naturals, for example, 52205368 + ... + 52205373.

It is an arithmetic number, because the mean of its divisors is an integer number (104410742).

Almost surely, 2^313232223 is an apocalyptic number.

313232223 is a deficient number, since it is larger than the sum of its proper divisors (104410745).

313232223 is a wasteful number, since it uses less digits than its factorization.

313232223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104410744.

The product of its digits is 1296, while the sum is 21.

The square root of 313232223 is about 17698.3678061001. The cubic root of 313232223 is about 679.1340064605.

Adding to 313232223 its reverse (322232313), we get a palindrome (635464536).

The spelling of 313232223 in words is "three hundred thirteen million, two hundred thirty-two thousand, two hundred twenty-three".