203312380444 has 24 divisors (see below), whose sum is σ = 362892588800. Its totient is φ = 99647299440.

The previous prime is 203312380429. The next prime is 203312380451. The reversal of 203312380444 is 444083213302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2270442 + ... + 2358289.

Almost surely, 2^203312380444 is an apocalyptic number.

It is an amenable number.

203312380444 is a deficient number, since it is larger than the sum of its proper divisors (159580208356).

203312380444 is a wasteful number, since it uses less digits than its factorization.

203312380444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628953 (or 4628951 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 203312380444 its reverse (444083213302), we get a palindrome (647395593746).

The spelling of 203312380444 in words is "two hundred three billion, three hundred twelve million, three hundred eighty thousand, four hundred forty-four".