213312230 has 16 divisors (see below), whose sum is σ = 385383744. Its totient is φ = 85008960.

The previous prime is 213312223. The next prime is 213312251. The reversal of 213312230 is 32213312.

It is a junction number, because it is equal to n+sod(n) for n = 213312199 and 213312208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36647 + ... + 42066.

It is an arithmetic number, because the mean of its divisors is an integer number (24086484).

Almost surely, 2^213312230 is an apocalyptic number.

213312230 is a deficient number, since it is larger than the sum of its proper divisors (172071514).

213312230 is a wasteful number, since it uses less digits than its factorization.

213312230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78991.

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

The square root of 213312230 is about 14605.2124257061. The cubic root of 213312230 is about 597.5009296041.

Adding to 213312230 its reverse (32213312), we get a palindrome (245525542).

The spelling of 213312230 in words is "two hundred thirteen million, three hundred twelve thousand, two hundred thirty".