203112443441 has 8 divisors (see below), whose sum is σ = 203257172520. Its totient is φ = 202967759232.

The previous prime is 203112443437. The next prime is 203112443461. The reversal of 203112443441 is 144344211302.

It can be written as a sum of positive squares in 4 ways, for example, as 119160278416 + 83952165025 = 345196^2 + 289745^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 203112443441 - 2² = 203112443437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203112443431) 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, 19651511 + ... + 19661843.

It is an arithmetic number, because the mean of its divisors is an integer number (25407146565).

Almost surely, 2^203112443441 is an apocalyptic number.

It is an amenable number.

203112443441 is a deficient number, since it is larger than the sum of its proper divisors (144729079).

203112443441 is a wasteful number, since it uses less digits than its factorization.

203112443441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22435.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 203112443441 its reverse (144344211302), we get a palindrome (347456654743).

The spelling of 203112443441 in words is "two hundred three billion, one hundred twelve million, four hundred forty-three thousand, four hundred forty-one".