213110143 has 4 divisors (see below), whose sum is σ = 213296128. Its totient is φ = 212924160.

The previous prime is 213110071. The next prime is 213110159. The reversal of 213110143 is 341011312.

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

It is a cyclic number.

It is not a de Polignac number, because 213110143 - 2¹⁷ = 212979071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213110243) 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 3 ways as a sum of consecutive naturals, for example, 91263 + ... + 93568.

It is an arithmetic number, because the mean of its divisors is an integer number (53324032).

Almost surely, 2^213110143 is an apocalyptic number.

213110143 is a deficient number, since it is larger than the sum of its proper divisors (185985).

213110143 is a wasteful number, since it uses less digits than its factorization.

213110143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185984.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 213110143 is about 14598.2924686417. The cubic root of 213110143 is about 597.3121838683.

Adding to 213110143 its reverse (341011312), we get a palindrome (554121455).

The spelling of 213110143 in words is "two hundred thirteen million, one hundred ten thousand, one hundred forty-three".