203204414034013 has 6 divisors (see below), whose sum is σ = 236380644896766. Its totient is φ = 174175212029112.

The previous prime is 203204414033923. The next prime is 203204414034019. The reversal of 203204414034013 is 310430414402302.

It can be written as a sum of positive squares in only one way, i.e., 126227427069604 + 76976986964409 = 11235098^2 + 8773653^2 .

It is a de Polignac number, because none of the positive numbers 2^k-203204414034013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203204414034019) 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 5 ways as a sum of consecutive naturals, for example, 2073514428870 + ... + 2073514428967.

It is an arithmetic number, because the mean of its divisors is an integer number (39396774149461).

Almost surely, 2^{203204414034013} is an apocalyptic number.

It is an amenable number.

203204414034013 is a deficient number, since it is larger than the sum of its proper divisors (33176230862753).

203204414034013 is an equidigital number, since it uses as much as digits as its factorization.

203204414034013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147028857851 (or 4147028857844 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 203204414034013 its reverse (310430414402302), we get a palindrome (513634828436315).

The spelling of 203204414034013 in words is "two hundred three trillion, two hundred four billion, four hundred fourteen million, thirty-four thousand, thirteen".