203134210441 has 4 divisors (see below), whose sum is σ = 205916870932. Its totient is φ = 200351549952.

The previous prime is 203134210399. The next prime is 203134210453. The reversal of 203134210441 is 144012431302.

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 92979255625 + 110154954816 = 304925^2 + 331896^2 .

It is a cyclic number.

It is not a de Polignac number, because 203134210441 - 2¹⁹ = 203133686153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203134210471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391330136 + ... + 1391330281.

It is an arithmetic number, because the mean of its divisors is an integer number (51479217733).

Almost surely, 2^203134210441 is an apocalyptic number.

It is an amenable number.

203134210441 is a deficient number, since it is larger than the sum of its proper divisors (2782660491).

203134210441 is an equidigital number, since it uses as much as digits as its factorization.

203134210441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782660490.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 203134210441 its reverse (144012431302), we get a palindrome (347146641743).

The spelling of 203134210441 in words is "two hundred three billion, one hundred thirty-four million, two hundred ten thousand, four hundred forty-one".