213421235041 has 6 divisors (see below), whose sum is σ = 248265518370. Its totient is φ = 182932487136.

The previous prime is 213421235033. The next prime is 213421235051. The reversal of 213421235041 is 140532124312.

213421235041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 180855423441 + 32565811600 = 425271^2 + 180460^2 .

It is not a de Polignac number, because 213421235041 - 2³ = 213421235033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213421235011) 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 5 ways as a sum of consecutive naturals, for example, 2177767656 + ... + 2177767753.

It is an arithmetic number, because the mean of its divisors is an integer number (41377586395).

Almost surely, 2^213421235041 is an apocalyptic number.

It is an amenable number.

213421235041 is a deficient number, since it is larger than the sum of its proper divisors (34844283329).

213421235041 is an equidigital number, since it uses as much as digits as its factorization.

213421235041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4355535423 (or 4355535416 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 213421235041 its reverse (140532124312), we get a palindrome (353953359353).

The spelling of 213421235041 in words is "two hundred thirteen billion, four hundred twenty-one million, two hundred thirty-five thousand, forty-one".