213231404214 has 48 divisors (see below), whose sum is σ = 497639660544. Its totient is φ = 65793697200.

The previous prime is 213231404117. The next prime is 213231404219. The reversal of 213231404214 is 412404132312.

213231404214 is a `hidden beast` number, since 2 + 1 + 3 + 231 + 4 + 0 + 421 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213231404219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8294452 + ... + 8320119.

It is an arithmetic number, because the mean of its divisors is an integer number (10367492928).

Almost surely, 2^213231404214 is an apocalyptic number.

213231404214 is an abundant number, since it is smaller than the sum of its proper divisors (284408256330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213231404214 is a wasteful number, since it uses less digits than its factorization.

213231404214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16614633 (or 16614630 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 213231404214 its reverse (412404132312), we get a palindrome (625635536526).

The spelling of 213231404214 in words is "two hundred thirteen billion, two hundred thirty-one million, four hundred four thousand, two hundred fourteen".