30503234 has 4 divisors (see below), whose sum is σ = 45754854. Its totient is φ = 15251616.

The previous prime is 30503197. The next prime is 30503251. The reversal of 30503234 is 43230503.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30217009 + 286225 = 5497^2 + 535^2 .

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

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, 7625807 + ... + 7625810.

Almost surely, 2^30503234 is an apocalyptic number.

30503234 is a deficient number, since it is larger than the sum of its proper divisors (15251620).

30503234 is a wasteful number, since it uses less digits than its factorization.

30503234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15251619.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 30503234 is about 5522.9732934353. The cubic root of 30503234 is about 312.4510310469.

Adding to 30503234 its reverse (43230503), we get a palindrome (73733737).

The spelling of 30503234 in words is "thirty million, five hundred three thousand, two hundred thirty-four".