30521134 has 16 divisors (see below), whose sum is σ = 52707168. Its totient is φ = 12984192.

The previous prime is 30521131. The next prime is 30521149. The reversal of 30521134 is 43112503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30521131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6039 + ... + 9874.

It is an arithmetic number, because the mean of its divisors is an integer number (3294198).

Almost surely, 2^30521134 is an apocalyptic number.

30521134 is a deficient number, since it is larger than the sum of its proper divisors (22186034).

30521134 is a wasteful number, since it uses less digits than its factorization.

30521134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16059.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 30521134 is about 5524.5935597110. The cubic root of 30521134 is about 312.5121369153.

Adding to 30521134 its reverse (43112503), we get a palindrome (73633637).

It can be divided in two parts, 3052 and 1134, that added together give a triangular number (4186 = T₉₁).

The spelling of 30521134 in words is "thirty million, five hundred twenty-one thousand, one hundred thirty-four".