203343311300144 has 20 divisors (see below), whose sum is σ = 393979176396696. Its totient is φ = 101671265778432.

The previous prime is 203343311300141. The next prime is 203343311300149. The reversal of 203343311300144 is 441003113343302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 203343311300144.

It is not an unprimeable number, because it can be changed into a prime (203343311300141) 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 3 ways as a sum of consecutive naturals, for example, 20040794 + ... + 28430969.

Almost surely, 2^{203343311300144} is an apocalyptic number.

It is an amenable number.

203343311300144 is a deficient number, since it is larger than the sum of its proper divisors (190635865096552).

203343311300144 is a wasteful number, since it uses less digits than its factorization.

203343311300144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48733964 (or 48733958 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 203343311300144 its reverse (441003113343302), we get a palindrome (644346424643446).

The spelling of 203343311300144 in words is "two hundred three trillion, three hundred forty-three billion, three hundred eleven million, three hundred thousand, one hundred forty-four".