213223311232 has 32 divisors (see below), whose sum is σ = 432795561480. Its totient is φ = 104600111616.

The previous prime is 213223311209. The next prime is 213223311253. The reversal of 213223311232 is 232113322312.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 213223311197 and 213223311206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15708378 + ... + 15721945.

Almost surely, 2^213223311232 is an apocalyptic number.

It is an amenable number.

213223311232 is an abundant number, since it is smaller than the sum of its proper divisors (219572250248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213223311232 is an equidigital number, since it uses as much as digits as its factorization.

213223311232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31430390 (or 31430378 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 213223311232 its reverse (232113322312), we get a palindrome (445336633544).

The spelling of 213223311232 in words is "two hundred thirteen billion, two hundred twenty-three million, three hundred eleven thousand, two hundred thirty-two".