31422444111 has 12 divisors (see below), whose sum is σ = 45714508840. Its totient is φ = 20797588080.

The previous prime is 31422444049. The next prime is 31422444121. The reversal of 31422444111 is 11144422413.

31422444111 is a `hidden beast` number, since 3 + 1 + 4 + 2 + 244 + 411 + 1 = 666.

It is not a de Polignac number, because 31422444111 - 2³⁰ = 30348702287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31422444121) 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 11 ways as a sum of consecutive naturals, for example, 12557680 + ... + 12560181.

Almost surely, 2^31422444111 is an apocalyptic number.

31422444111 is a deficient number, since it is larger than the sum of its proper divisors (14292064729).

31422444111 is a wasteful number, since it uses less digits than its factorization.

31422444111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25118006 (or 25118003 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 31422444111 its reverse (11144422413), we get a palindrome (42566866524).

The spelling of 31422444111 in words is "thirty-one billion, four hundred twenty-two million, four hundred forty-four thousand, one hundred eleven".