313331223 has 8 divisors (see below), whose sum is σ = 439763200. Its totient is φ = 197893368.

The previous prime is 313331201. The next prime is 313331287. The reversal of 313331223 is 322133313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 313331223 - 2⁸ = 313330967 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 313331223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313331423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2748463 + ... + 2748576.

It is an arithmetic number, because the mean of its divisors is an integer number (54970400).

Almost surely, 2^313331223 is an apocalyptic number.

313331223 is a deficient number, since it is larger than the sum of its proper divisors (126431977).

313331223 is a wasteful number, since it uses less digits than its factorization.

313331223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497061.

The product of its digits is 972, while the sum is 21.

The square root of 313331223 is about 17701.1644532217. The cubic root of 313331223 is about 679.2055478278.

Adding to 313331223 its reverse (322133313), we get a palindrome (635464536).

The spelling of 313331223 in words is "three hundred thirteen million, three hundred thirty-one thousand, two hundred twenty-three".