31126064 has 20 divisors (see below), whose sum is σ = 60393456. Its totient is φ = 15540672.

The previous prime is 31126063. The next prime is 31126091. The reversal of 31126064 is 46062113.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31126063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20102 + ... + 21594.

Almost surely, 2^31126064 is an apocalyptic number.

It is an amenable number.

31126064 is a deficient number, since it is larger than the sum of its proper divisors (29267392).

31126064 is a wasteful number, since it uses less digits than its factorization.

31126064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804 (or 2798 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 31126064 is about 5579.0737582506. The cubic root of 31126064 is about 314.5633119177.

Adding to 31126064 its reverse (46062113), we get a palindrome (77188177).

The spelling of 31126064 in words is "thirty-one million, one hundred twenty-six thousand, sixty-four".