313220220223 has 4 divisors (see below), whose sum is σ = 313475079240. Its totient is φ = 312965361208.

The previous prime is 313220220217. The next prime is 313220220289. The reversal of 313220220223 is 322022022313.

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

It is a cyclic number.

It is not a de Polignac number, because 313220220223 - 2¹³ = 313220212031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313220220194 and 313220220203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313220220323) 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, 127427665 + ... + 127430122.

It is an arithmetic number, because the mean of its divisors is an integer number (78368769810).

Almost surely, 2^313220220223 is an apocalyptic number.

313220220223 is a deficient number, since it is larger than the sum of its proper divisors (254859017).

313220220223 is a wasteful number, since it uses less digits than its factorization.

313220220223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254859016.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 313220220223 its reverse (322022022313), we get a palindrome (635242242536).

The spelling of 313220220223 in words is "three hundred thirteen billion, two hundred twenty million, two hundred twenty thousand, two hundred twenty-three".