31233222044 has 6 divisors (see below), whose sum is σ = 54658138584. Its totient is φ = 15616611020.

The previous prime is 31233222019. The next prime is 31233222047. The reversal of 31233222044 is 44022233213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31233222047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3904152752 + ... + 3904152759.

It is an arithmetic number, because the mean of its divisors is an integer number (9109689764).

Almost surely, 2^31233222044 is an apocalyptic number.

It is an amenable number.

31233222044 is a deficient number, since it is larger than the sum of its proper divisors (23424916540).

31233222044 is a wasteful number, since it uses less digits than its factorization.

31233222044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7808305515 (or 7808305513 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 31233222044 its reverse (44022233213), we get a palindrome (75255455257).

The spelling of 31233222044 in words is "thirty-one billion, two hundred thirty-three million, two hundred twenty-two thousand, forty-four".