203404300442132 has 6 divisors (see below), whose sum is σ = 355957525773738. Its totient is φ = 101702150221064.

The previous prime is 203404300442081. The next prime is 203404300442137. The reversal of 203404300442132 is 231244003404302.

It can be written as a sum of positive squares in only one way, i.e., 106885740165136 + 96518560276996 = 10338556^2 + 9824386^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203404300442137) 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 as a sum of consecutive naturals, namely, 25425537555263 + ... + 25425537555270.

It is an arithmetic number, because the mean of its divisors is an integer number (59326254295623).

Almost surely, 2^{203404300442132} is an apocalyptic number.

It is an amenable number.

203404300442132 is a deficient number, since it is larger than the sum of its proper divisors (152553225331606).

203404300442132 is a wasteful number, since it uses less digits than its factorization.

203404300442132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50851075110537 (or 50851075110535 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 203404300442132 its reverse (231244003404302), we get a palindrome (434648303846434).

The spelling of 203404300442132 in words is "two hundred three trillion, four hundred four billion, three hundred million, four hundred forty-two thousand, one hundred thirty-two".