313021111223 has 8 divisors (see below), whose sum is σ = 318241958400. Its totient is φ = 307841864800.

The previous prime is 313021111219. The next prime is 313021111229. The reversal of 313021111223 is 322111120313.

It is a happy number.

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 313021111223 - 2² = 313021111219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313021111195 and 313021111204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313021111229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10385015 + ... + 10415112.

It is an arithmetic number, because the mean of its divisors is an integer number (39780244800).

Almost surely, 2^313021111223 is an apocalyptic number.

313021111223 is a deficient number, since it is larger than the sum of its proper divisors (5220847177).

313021111223 is a wasteful number, since it uses less digits than its factorization.

313021111223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20800377.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 313021111223 its reverse (322111120313), we get a palindrome (635132231536).

The spelling of 313021111223 in words is "three hundred thirteen billion, twenty-one million, one hundred eleven thousand, two hundred twenty-three".