201003103109 has 2 divisors, whose sum is σ = 201003103110. Its totient is φ = 201003103108.

The previous prime is 201003103019. The next prime is 201003103127. The reversal of 201003103109 is 901301300102.

Together with previous prime (201003103019) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124434679009 + 76568424100 = 352753^2 + 276710^2 .

It is a cyclic number.

It is not a de Polignac number, because 201003103109 - 2¹² = 201003099013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201003103309) 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, 100501551554 + 100501551555.

It is an arithmetic number, because the mean of its divisors is an integer number (100501551555).

Almost surely, 2^201003103109 is an apocalyptic number.

It is an amenable number.

201003103109 is a deficient number, since it is larger than the sum of its proper divisors (1).

201003103109 is an equidigital number, since it uses as much as digits as its factorization.

201003103109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The spelling of 201003103109 in words is "two hundred one billion, three million, one hundred three thousand, one hundred nine".