313020223 has 4 divisors (see below), whose sum is σ = 313056520. Its totient is φ = 312983928.

The previous prime is 313020217. The next prime is 313020241. The reversal of 313020223 is 322020313.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 322020313 = 3491 ⋅92243.

It is a cyclic number.

It is not a de Polignac number, because 313020223 - 2⁹ = 313019711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313020197 and 313020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313020023) 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, 3013 + ... + 25201.

It is an arithmetic number, because the mean of its divisors is an integer number (78264130).

Almost surely, 2^313020223 is an apocalyptic number.

313020223 is a deficient number, since it is larger than the sum of its proper divisors (36297).

313020223 is a wasteful number, since it uses less digits than its factorization.

313020223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36296.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 313020223 is about 17692.3775394942. The cubic root of 313020223 is about 678.9807560467.

Adding to 313020223 its reverse (322020313), we get a palindrome (635040536).

The spelling of 313020223 in words is "three hundred thirteen million, twenty thousand, two hundred twenty-three".