213123313322 has 16 divisors (see below), whose sum is σ = 333731627712. Its totient is φ = 101883529440.

The previous prime is 213123313309. The next prime is 213123313327. The reversal of 213123313322 is 223313321312.

It is a junction number, because it is equal to n+sod(n) for n = 213123313291 and 213123313300.

It is not an unprimeable number, because it can be changed into a prime (213123313327) 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, 917579 + ... + 1126142.

It is an arithmetic number, because the mean of its divisors is an integer number (20858226732).

Almost surely, 2^213123313322 is an apocalyptic number.

213123313322 is a deficient number, since it is larger than the sum of its proper divisors (120608314390).

213123313322 is a wasteful number, since it uses less digits than its factorization.

213123313322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046013.

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

Adding to 213123313322 its reverse (223313321312), we get a palindrome (436436634634).

The spelling of 213123313322 in words is "two hundred thirteen billion, one hundred twenty-three million, three hundred thirteen thousand, three hundred twenty-two".