213324114043165 has 4 divisors (see below), whose sum is σ = 255988936851804. Its totient is φ = 170659291234528.

The previous prime is 213324114043127. The next prime is 213324114043177. The reversal of 213324114043165 is 561340411423312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41377069115001 + 171947044928164 = 6432501^2 + 13112858^2 .

It is a cyclic number.

It is not a de Polignac number, because 213324114043165 - 2¹⁷ = 213324113912093 is a prime.

It is a super-3 number, since 3×213324114043165³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21332411404312 + ... + 21332411404321.

It is an arithmetic number, because the mean of its divisors is an integer number (63997234212951).

Almost surely, 2^{213324114043165} is an apocalyptic number.

It is an amenable number.

213324114043165 is a deficient number, since it is larger than the sum of its proper divisors (42664822808639).

213324114043165 is an equidigital number, since it uses as much as digits as its factorization.

213324114043165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42664822808638.

The product of its (nonzero) digits is 207360, while the sum is 40.

Adding to 213324114043165 its reverse (561340411423312), we get a palindrome (774664525466477).

The spelling of 213324114043165 in words is "two hundred thirteen trillion, three hundred twenty-four billion, one hundred fourteen million, forty-three thousand, one hundred sixty-five".