203421341 has 8 divisors (see below), whose sum is σ = 210864600. Its totient is φ = 196006720.

The previous prime is 203421331. The next prime is 203421389. The reversal of 203421341 is 143124302.

It can be written as a sum of positive squares in 4 ways, for example, as 66765241 + 136656100 = 8171^2 + 11690^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203421341 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 (203421331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7871 + ... + 21651.

It is an arithmetic number, because the mean of its divisors is an integer number (26358075).

Almost surely, 2^203421341 is an apocalyptic number.

It is an amenable number.

203421341 is a deficient number, since it is larger than the sum of its proper divisors (7443259).

203421341 is a wasteful number, since it uses less digits than its factorization.

203421341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14319.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 203421341 is about 14262.5853546964. The cubic root of 203421341 is about 588.1193984092.

Adding to 203421341 its reverse (143124302), we get a palindrome (346545643).

The spelling of 203421341 in words is "two hundred three million, four hundred twenty-one thousand, three hundred forty-one".