213120232322 has 4 divisors (see below), whose sum is σ = 319680348486. Its totient is φ = 106560116160.

The previous prime is 213120232279. The next prime is 213120232373. The reversal of 213120232322 is 223232021312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 203273837881 + 9846394441 = 450859^2 + 99229^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53280058079 + ... + 53280058082.

Almost surely, 2^213120232322 is an apocalyptic number.

213120232322 is a deficient number, since it is larger than the sum of its proper divisors (106560116164).

213120232322 is a wasteful number, since it uses less digits than its factorization.

213120232322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106560116163.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213120232322 its reverse (223232021312), we get a palindrome (436352253634).

The spelling of 213120232322 in words is "two hundred thirteen billion, one hundred twenty million, two hundred thirty-two thousand, three hundred twenty-two".