3031231223 has 4 divisors (see below), whose sum is σ = 3209538960. Its totient is φ = 2852923488.

The previous prime is 3031231211. The next prime is 3031231261. The reversal of 3031231223 is 3221321303.

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 3031231223 - 2¹² = 3031227127 is a prime.

It is a super-3 number, since 3×3031231223³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3031231195 and 3031231204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031231123) 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, 89153843 + ... + 89153876.

It is an arithmetic number, because the mean of its divisors is an integer number (802384740).

Almost surely, 2^3031231223 is an apocalyptic number.

3031231223 is a deficient number, since it is larger than the sum of its proper divisors (178307737).

3031231223 is a wasteful number, since it uses less digits than its factorization.

3031231223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178307736.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3031231223 is about 55056.6183396692. The cubic root of 3031231223 is about 1447.2371047123.

Adding to 3031231223 its reverse (3221321303), we get a palindrome (6252552526).

The spelling of 3031231223 in words is "three billion, thirty-one million, two hundred thirty-one thousand, two hundred twenty-three".