30870135 has 12 divisors (see below), whose sum is σ = 53508312. Its totient is φ = 16464048.

The previous prime is 30870121. The next prime is 30870137. The reversal of 30870135 is 53107803.

It is not a de Polignac number, because 30870135 - 2⁸ = 30869879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30870099 and 30870108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30870137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342957 + ... + 343046.

It is an arithmetic number, because the mean of its divisors is an integer number (4459026).

Almost surely, 2^30870135 is an apocalyptic number.

30870135 is a deficient number, since it is larger than the sum of its proper divisors (22638177).

30870135 is a wasteful number, since it uses less digits than its factorization.

30870135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686014 (or 686011 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 30870135 is about 5556.0899020804. The cubic root of 30870135 is about 313.6987895445.

Adding to 30870135 its reverse (53107803), we get a palindrome (83977938).

The spelling of 30870135 in words is "thirty million, eight hundred seventy thousand, one hundred thirty-five".