31422044 has 12 divisors (see below), whose sum is σ = 55763568. Its totient is φ = 15489600.

The previous prime is 31422037. The next prime is 31422059. The reversal of 31422044 is 44022413.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 55037 + ... + 55604.

It is an arithmetic number, because the mean of its divisors is an integer number (4646964).

Almost surely, 2^31422044 is an apocalyptic number.

It is an amenable number.

31422044 is a deficient number, since it is larger than the sum of its proper divisors (24341524).

31422044 is a wasteful number, since it uses less digits than its factorization.

31422044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110716 (or 110714 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 31422044 is about 5605.5369055961. The cubic root of 31422044 is about 315.5572365586.

Adding to 31422044 its reverse (44022413), we get a palindrome (75444457).

The spelling of 31422044 in words is "thirty-one million, four hundred twenty-two thousand, forty-four".