31044440422 has 16 divisors (see below), whose sum is σ = 48414643200. Its totient is φ = 14913430920.

The previous prime is 31044440389. The next prime is 31044440429. The reversal of 31044440422 is 22404444013.

It is a super-2 number, since 2×31044440422² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31044440429) 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 in 7 ways as a sum of consecutive naturals, for example, 1792522 + ... + 1809757.

It is an arithmetic number, because the mean of its divisors is an integer number (3025915200).

Almost surely, 2^31044440422 is an apocalyptic number.

31044440422 is a deficient number, since it is larger than the sum of its proper divisors (17370202778).

31044440422 is a wasteful number, since it uses less digits than its factorization.

31044440422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602451.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 31044440422 its reverse (22404444013), we get a palindrome (53448884435).

The spelling of 31044440422 in words is "thirty-one billion, forty-four million, four hundred forty thousand, four hundred twenty-two".