31224444134 has 16 divisors (see below), whose sum is σ = 50449388640. Its totient is φ = 14408452800.

The previous prime is 31224444107. The next prime is 31224444151. The reversal of 31224444134 is 43144442213.

It is a super-2 number, since 2×31224444134² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31224444134.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20159 + ... + 250709.

It is an arithmetic number, because the mean of its divisors is an integer number (3153086790).

Almost surely, 2^31224444134 is an apocalyptic number.

31224444134 is a deficient number, since it is larger than the sum of its proper divisors (19224944506).

31224444134 is a wasteful number, since it uses less digits than its factorization.

31224444134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235775.

The product of its digits is 36864, while the sum is 32.

Adding to 31224444134 its reverse (43144442213), we get a palindrome (74368886347).

The spelling of 31224444134 in words is "thirty-one billion, two hundred twenty-four million, four hundred forty-four thousand, one hundred thirty-four".