31322234422 has 16 divisors (see below), whose sum is σ = 47125616400. Its totient is φ = 15613728480.

The previous prime is 31322234387. The next prime is 31322234423. The reversal of 31322234422 is 22443222313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31322234423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2435104 + ... + 2447932.

It is an arithmetic number, because the mean of its divisors is an integer number (2945351025).

Almost surely, 2^31322234422 is an apocalyptic number.

31322234422 is a deficient number, since it is larger than the sum of its proper divisors (15803381978).

31322234422 is a wasteful number, since it uses less digits than its factorization.

31322234422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16431.

The product of its digits is 13824, while the sum is 28.

Adding to 31322234422 its reverse (22443222313), we get a palindrome (53765456735).

The spelling of 31322234422 in words is "thirty-one billion, three hundred twenty-two million, two hundred thirty-four thousand, four hundred twenty-two".