213110022231 has 12 divisors (see below), whose sum is σ = 307850500152. Its totient is φ = 142061850096.

The previous prime is 213110022199. The next prime is 213110022233. The reversal of 213110022231 is 132220011312.

213110022231 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 213110022231 - 2⁵ = 213110022199 is a prime.

It is a super-2 number, since 2×213110022231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213110022233) 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 11 ways as a sum of consecutive naturals, for example, 840021 + ... + 1063886.

It is an arithmetic number, because the mean of its divisors is an integer number (25654208346).

Almost surely, 2^213110022231 is an apocalyptic number.

213110022231 is a deficient number, since it is larger than the sum of its proper divisors (94740477921).

213110022231 is a wasteful number, since it uses less digits than its factorization.

213110022231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916350 (or 1916347 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 213110022231 its reverse (132220011312), we get a palindrome (345330033543).

The spelling of 213110022231 in words is "two hundred thirteen billion, one hundred ten million, twenty-two thousand, two hundred thirty-one".