203143226200109 has 12 divisors (see below), whose sum is σ = 225336821565492. Its totient is φ = 182943243100800.

The previous prime is 203143226200051. The next prime is 203143226200127. The reversal of 203143226200109 is 901002622341302.

203143226200109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 74947163783209 + 128196062416900 = 8657203^2 + 11322370^2 .

It is not a de Polignac number, because 203143226200109 - 2⁸ = 203143226199853 is a prime.

It is a super-2 number, since 2×203143226200109² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203143226200139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14658906782 + ... + 14658920639.

It is an arithmetic number, because the mean of its divisors is an integer number (18778068463791).

Almost surely, 2^{203143226200109} is an apocalyptic number.

It is an amenable number.

203143226200109 is a deficient number, since it is larger than the sum of its proper divisors (22193595365383).

203143226200109 is a wasteful number, since it uses less digits than its factorization.

203143226200109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29317827488 (or 29317827475 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 203143226200109 in words is "two hundred three trillion, one hundred forty-three billion, two hundred twenty-six million, two hundred thousand, one hundred nine".