331000223 has 4 divisors (see below), whose sum is σ = 331067880. Its totient is φ = 330932568.

The previous prime is 331000193. The next prime is 331000231. The reversal of 331000223 is 322000133.

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 331000223 - 2¹⁰ = 330999199 is a prime.

It is a super-2 number, since 2×331000223² = 219122295252099458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331000198 and 331000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331000253) 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, 25865 + ... + 36482.

It is an arithmetic number, because the mean of its divisors is an integer number (82766970).

Almost surely, 2^331000223 is an apocalyptic number.

331000223 is a deficient number, since it is larger than the sum of its proper divisors (67657).

331000223 is an equidigital number, since it uses as much as digits as its factorization.

331000223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67656.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 331000223 is about 18193.4115272535. The cubic root of 331000223 is about 691.7397970062.

Adding to 331000223 its reverse (322000133), we get a palindrome (653000356).

The spelling of 331000223 in words is "three hundred thirty-one million, two hundred twenty-three", and thus it is an aban number.