31134424 has 8 divisors (see below), whose sum is σ = 58377060. Its totient is φ = 15567208.

The previous prime is 31134413. The next prime is 31134443. The reversal of 31134424 is 42443113.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 31134395 and 31134404.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1945894 + ... + 1945909.

Almost surely, 2^31134424 is an apocalyptic number.

It is an amenable number.

31134424 is a deficient number, since it is larger than the sum of its proper divisors (27242636).

31134424 is a wasteful number, since it uses less digits than its factorization.

31134424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891809 (or 3891805 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 31134424 is about 5579.8229362588. The cubic root of 31134424 is about 314.5914717463.

Adding to 31134424 its reverse (42443113), we get a palindrome (73577537).

The spelling of 31134424 in words is "thirty-one million, one hundred thirty-four thousand, four hundred twenty-four".