213231112214 has 4 divisors (see below), whose sum is σ = 319846668324. Its totient is φ = 106615556106.

The previous prime is 213231112189. The next prime is 213231112243. The reversal of 213231112214 is 412211132312.

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

It is a self number, because there is not a number n which added to its sum of digits gives 213231112214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53307778052 + ... + 53307778055.

It is an arithmetic number, because the mean of its divisors is an integer number (79961667081).

Almost surely, 2^213231112214 is an apocalyptic number.

213231112214 is a deficient number, since it is larger than the sum of its proper divisors (106615556110).

213231112214 is a wasteful number, since it uses less digits than its factorization.

213231112214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106615556109.

The product of its digits is 576, while the sum is 23.

Adding to 213231112214 its reverse (412211132312), we get a palindrome (625442244526).

The spelling of 213231112214 in words is "two hundred thirteen billion, two hundred thirty-one million, one hundred twelve thousand, two hundred fourteen".