213013430 has 16 divisors (see below), whose sum is σ = 438199200. Its totient is φ = 73033152.

The previous prime is 213013429. The next prime is 213013433. The reversal of 213013430 is 34310312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213013399 and 213013408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213013433) 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, 1521455 + ... + 1521594.

It is an arithmetic number, because the mean of its divisors is an integer number (27387450).

Almost surely, 2^213013430 is an apocalyptic number.

213013430 is an abundant number, since it is smaller than the sum of its proper divisors (225185770).

213013430 is a wasteful number, since it uses less digits than its factorization.

213013430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043063.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 213013430 is about 14594.9796162927. The cubic root of 213013430 is about 597.2218133939.

Adding to 213013430 its reverse (34310312), we get a palindrome (247323742).

The spelling of 213013430 in words is "two hundred thirteen million, thirteen thousand, four hundred thirty".