213220313031230 has 32 divisors (see below), whose sum is σ = 387602261468928. Its totient is φ = 84442439520000.

The previous prime is 213220313031221. The next prime is 213220313031263. The reversal of 213220313031230 is 32130313022312.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 213220313031230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68316074 + ... + 71368946.

It is an arithmetic number, because the mean of its divisors is an integer number (12112570670904).

Almost surely, 2^{213220313031230} is an apocalyptic number.

213220313031230 is a deficient number, since it is larger than the sum of its proper divisors (174381948437698).

213220313031230 is a wasteful number, since it uses less digits than its factorization.

213220313031230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122132.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 213220313031230 its reverse (32130313022312), we get a palindrome (245350626053542).

The spelling of 213220313031230 in words is "two hundred thirteen trillion, two hundred twenty billion, three hundred thirteen million, thirty-one thousand, two hundred thirty".