213131000222 has 8 divisors (see below), whose sum is σ = 365367428976. Its totient is φ = 91341857232.

The previous prime is 213131000213. The next prime is 213131000233. The reversal of 213131000222 is 222000131312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 213131000222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7611821423 + ... + 7611821450.

It is an arithmetic number, because the mean of its divisors is an integer number (45670928622).

Almost surely, 2^213131000222 is an apocalyptic number.

213131000222 is a deficient number, since it is larger than the sum of its proper divisors (152236428754).

213131000222 is a wasteful number, since it uses less digits than its factorization.

213131000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15223642882.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 213131000222 its reverse (222000131312), we get a palindrome (435131131534).

The spelling of 213131000222 in words is "two hundred thirteen billion, one hundred thirty-one million, two hundred twenty-two", and thus it is an aban number.