30163430 has 16 divisors (see below), whose sum is σ = 59230224. Its totient is φ = 10968480.

The previous prime is 30163379. The next prime is 30163433. The reversal of 30163430 is 3436103.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30163433) 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, 136997 + ... + 137216.

It is an arithmetic number, because the mean of its divisors is an integer number (3701889).

Almost surely, 2^30163430 is an apocalyptic number.

30163430 is a deficient number, since it is larger than the sum of its proper divisors (29066794).

30163430 is a wasteful number, since it uses less digits than its factorization.

30163430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274231.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 30163430 is about 5492.1243613014. The cubic root of 30163430 is about 311.2864679882.

Adding to 30163430 its reverse (3436103), we get a palindrome (33599533).

It can be divided in two parts, 3016 and 3430, that added together give a palindrome (6446).

The spelling of 30163430 in words is "thirty million, one hundred sixty-three thousand, four hundred thirty".