30806134 has 4 divisors (see below), whose sum is σ = 46209204. Its totient is φ = 15403066.

The previous prime is 30806123. The next prime is 30806141. The reversal of 30806134 is 43160803.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43160803 = 7 ⋅6165829.

It is a junction number, because it is equal to n+sod(n) for n = 30806099 and 30806108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7701532 + ... + 7701535.

It is an arithmetic number, because the mean of its divisors is an integer number (11552301).

Almost surely, 2^30806134 is an apocalyptic number.

30806134 is a deficient number, since it is larger than the sum of its proper divisors (15403070).

30806134 is a wasteful number, since it uses less digits than its factorization.

30806134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15403069.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 30806134 is about 5550.3273777319. The cubic root of 30806134 is about 313.4818492663.

Adding to 30806134 its reverse (43160803), we get a palindrome (73966937).

The spelling of 30806134 in words is "thirty million, eight hundred six thousand, one hundred thirty-four".