30134430 has 48 divisors (see below), whose sum is σ = 81257904. Its totient is φ = 8035200.

The previous prime is 30134417. The next prime is 30134431. The reversal of 30134430 is 3443103.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30134431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3771 + ... + 8630.

It is an arithmetic number, because the mean of its divisors is an integer number (1692873).

Almost surely, 2^30134430 is an apocalyptic number.

30134430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30134430 is an abundant number, since it is smaller than the sum of its proper divisors (51123474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30134430 is a wasteful number, since it uses less digits than its factorization.

30134430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12423 (or 12411 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 30134430 is about 5489.4835822689. The cubic root of 30134430 is about 311.1866760420.

Adding to 30134430 its reverse (3443103), we get a palindrome (33577533).

The spelling of 30134430 in words is "thirty million, one hundred thirty-four thousand, four hundred thirty".