213015430 has 16 divisors (see below), whose sum is σ = 386947440. Its totient is φ = 84424032.

The previous prime is 213015391. The next prime is 213015431. The reversal of 213015430 is 34510312.

213015430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213015398 and 213015407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213015431) 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, 96624 + ... + 98803.

It is an arithmetic number, because the mean of its divisors is an integer number (24184215).

Almost surely, 2^213015430 is an apocalyptic number.

213015430 is a deficient number, since it is larger than the sum of its proper divisors (173932010).

213015430 is a wasteful number, since it uses less digits than its factorization.

213015430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195543.

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

The square root of 213015430 is about 14595.0481328429. The cubic root of 213015430 is about 597.2236825091.

Adding to 213015430 its reverse (34510312), we get a palindrome (247525742).

The spelling of 213015430 in words is "two hundred thirteen million, fifteen thousand, four hundred thirty".