213022030 has 32 divisors (see below), whose sum is σ = 418610304. Its totient is φ = 77573376.

The previous prime is 213022003. The next prime is 213022031. The reversal of 213022030 is 30220312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 213022030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213022031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1734 + ... + 20713.

It is an arithmetic number, because the mean of its divisors is an integer number (13081572).

Almost surely, 2^213022030 is an apocalyptic number.

213022030 is a deficient number, since it is larger than the sum of its proper divisors (205588274).

213022030 is a wasteful number, since it uses less digits than its factorization.

213022030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22540.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 213022030 is about 14595.2742351763. The cubic root of 213022030 is about 597.2298505061.

Adding to 213022030 its reverse (30220312), we get a palindrome (243242342).

It can be divided in two parts, 21302 and 2030, that added together give a palindrome (23332).

The spelling of 213022030 in words is "two hundred thirteen million, twenty-two thousand, thirty".