214213021231 has 24 divisors (see below), whose sum is σ = 237674984400. Its totient is φ = 191447287680.

The previous prime is 214213021223. The next prime is 214213021273. The reversal of 214213021231 is 132120312412.

214213021231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 214213021231 - 2³ = 214213021223 is a prime.

It is a super-2 number, since 2×214213021231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214213021531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31364725 + ... + 31371553.

It is an arithmetic number, because the mean of its divisors is an integer number (9903124350).

Almost surely, 2^214213021231 is an apocalyptic number.

214213021231 is a deficient number, since it is larger than the sum of its proper divisors (23461963169).

214213021231 is an equidigital number, since it uses as much as digits as its factorization.

214213021231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7287 (or 7108 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 214213021231 its reverse (132120312412), we get a palindrome (346333333643).

The spelling of 214213021231 in words is "two hundred fourteen billion, two hundred thirteen million, twenty-one thousand, two hundred thirty-one".