30031424 has 14 divisors (see below), whose sum is σ = 59593734. Its totient is φ = 15015680.

The previous prime is 30031423. The next prime is 30031439. The reversal of 30031424 is 42413003.

It can be written as a sum of positive squares in only one way, i.e., 30030400 + 1024 = 5480^2 + 32^2 .

It is not an unprimeable number, because it can be changed into a prime (30031423) 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 as a sum of consecutive naturals, namely, 234557 + ... + 234684.

Almost surely, 2^30031424 is an apocalyptic number.

It is an amenable number.

30031424 is a deficient number, since it is larger than the sum of its proper divisors (29562310).

30031424 is an equidigital number, since it uses as much as digits as its factorization.

30031424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469253 (or 469243 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30031424 is about 5480.0934298605. The cubic root of 30031424 is about 310.8317034865.

Adding to 30031424 its reverse (42413003), we get a palindrome (72444427).

The spelling of 30031424 in words is "thirty million, thirty-one thousand, four hundred twenty-four".