213244141243 has 16 divisors (see below), whose sum is σ = 249415165440. Its totient is φ = 178549500096.

The previous prime is 213244141213. The next prime is 213244141267. The reversal of 213244141243 is 342141442312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 213244141243 - 2⁵ = 213244141211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213244141213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2010255 + ... + 2113672.

It is an arithmetic number, because the mean of its divisors is an integer number (15588447840).

Almost surely, 2^213244141243 is an apocalyptic number.

213244141243 is a deficient number, since it is larger than the sum of its proper divisors (36171024197).

213244141243 is an equidigital number, since it uses as much as digits as its factorization.

213244141243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124106.

The product of its digits is 18432, while the sum is 31.

Adding to 213244141243 its reverse (342141442312), we get a palindrome (555385583555).

The spelling of 213244141243 in words is "two hundred thirteen billion, two hundred forty-four million, one hundred forty-one thousand, two hundred forty-three".