213223030 has 16 divisors (see below), whose sum is σ = 383973984. Its totient is φ = 85250880.

The previous prime is 213223009. The next prime is 213223033. The reversal of 213223030 is 30322312.

It is a junction number, because it is equal to n+sod(n) for n = 213222995 and 213223013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213223033) 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, 32074 + ... + 38146.

It is an arithmetic number, because the mean of its divisors is an integer number (23998374).

Almost surely, 2^213223030 is an apocalyptic number.

213223030 is a deficient number, since it is larger than the sum of its proper divisors (170750954).

213223030 is a wasteful number, since it uses less digits than its factorization.

213223030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9591.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 213223030 is about 14602.1584020993. The cubic root of 213223030 is about 597.4176330617.

Adding to 213223030 its reverse (30322312), we get a palindrome (243545342).

The spelling of 213223030 in words is "two hundred thirteen million, two hundred twenty-three thousand, thirty".