213220323106 has 32 divisors (see below), whose sum is σ = 368514051840. Its totient is φ = 90634804416.

The previous prime is 213220323103. The next prime is 213220323131. The reversal of 213220323106 is 601323022312.

It is not an unprimeable number, because it can be changed into a prime (213220323103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 716740 + ... + 969616.

It is an arithmetic number, because the mean of its divisors is an integer number (11516064120).

Almost surely, 2^213220323106 is an apocalyptic number.

213220323106 is a deficient number, since it is larger than the sum of its proper divisors (155293728734).

213220323106 is a wasteful number, since it uses less digits than its factorization.

213220323106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253378.

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

Adding to 213220323106 its reverse (601323022312), we get a palindrome (814543345418).

The spelling of 213220323106 in words is "two hundred thirteen billion, two hundred twenty million, three hundred twenty-three thousand, one hundred six".