31066424 has 32 divisors (see below), whose sum is σ = 60588000. Its totient is φ = 14915712.

The previous prime is 31066423. The next prime is 31066439. The reversal of 31066424 is 42466013.

It is a junction number, because it is equal to n+sod(n) for n = 31066393 and 31066402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31066423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83102 + ... + 83474.

It is an arithmetic number, because the mean of its divisors is an integer number (1893375).

Almost surely, 2^31066424 is an apocalyptic number.

It is an amenable number.

31066424 is a deficient number, since it is larger than the sum of its proper divisors (29521576).

31066424 is a wasteful number, since it uses less digits than its factorization.

31066424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 31066424 is about 5573.7262221964. The cubic root of 31066424 is about 314.3622740680.

The spelling of 31066424 in words is "thirty-one million, sixty-six thousand, four hundred twenty-four".