313138223 has 8 divisors (see below), whose sum is σ = 326874240. Its totient is φ = 299629440.

The previous prime is 313138219. The next prime is 313138237. The reversal of 313138223 is 322831313.

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

It is a cyclic number.

It is not a de Polignac number, because 313138223 - 2² = 313138219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313138192 and 313138201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313128223) 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, 53990 + ... + 59507.

It is an arithmetic number, because the mean of its divisors is an integer number (40859280).

Almost surely, 2^313138223 is an apocalyptic number.

313138223 is a deficient number, since it is larger than the sum of its proper divisors (13736017).

313138223 is a wasteful number, since it uses less digits than its factorization.

313138223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113617.

The product of its digits is 2592, while the sum is 26.

The square root of 313138223 is about 17695.7119947178. The cubic root of 313138223 is about 679.0660643408.

Adding to 313138223 its reverse (322831313), we get a palindrome (635969536).

The spelling of 313138223 in words is "three hundred thirteen million, one hundred thirty-eight thousand, two hundred twenty-three".