203441213343 has 8 divisors (see below), whose sum is σ = 272660417968. Its totient is φ = 134924742144.

The previous prime is 203441213317. The next prime is 203441213351. The reversal of 203441213343 is 343312144302.

It is a happy number.

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

It is not a de Polignac number, because 203441213343 - 2¹⁶ = 203441147807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203441213343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203441215343) 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 7 ways as a sum of consecutive naturals, for example, 175682680 + ... + 175683837.

It is an arithmetic number, because the mean of its divisors is an integer number (34082552246).

Almost surely, 2^203441213343 is an apocalyptic number.

203441213343 is a deficient number, since it is larger than the sum of its proper divisors (69219204625).

203441213343 is a wasteful number, since it uses less digits than its factorization.

203441213343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351366713.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 203441213343 its reverse (343312144302), we get a palindrome (546753357645).

The spelling of 203441213343 in words is "two hundred three billion, four hundred forty-one million, two hundred thirteen thousand, three hundred forty-three".