31223033323 has 16 divisors (see below), whose sum is σ = 33388740000. Its totient is φ = 29094308352.

The previous prime is 31223033267. The next prime is 31223033327. The reversal of 31223033323 is 32333032213.

It is a cyclic number.

It is not a de Polignac number, because 31223033323 - 2⁹ = 31223032811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31223033327) 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 15 ways as a sum of consecutive naturals, for example, 2697753 + ... + 2709301.

It is an arithmetic number, because the mean of its divisors is an integer number (2086796250).

Almost surely, 2^31223033323 is an apocalyptic number.

31223033323 is a deficient number, since it is larger than the sum of its proper divisors (2165706677).

31223033323 is a wasteful number, since it uses less digits than its factorization.

31223033323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13134.

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 31223033323 its reverse (32333032213), we get a palindrome (63556065536).

The spelling of 31223033323 in words is "thirty-one billion, two hundred twenty-three million, thirty-three thousand, three hundred twenty-three".