90101243340103 has 2 divisors, whose sum is σ = 90101243340104. Its totient is φ = 90101243340102.

The previous prime is 90101243340061. The next prime is 90101243340131. The reversal of 90101243340103 is 30104334210109.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90101243340103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90101243340403) 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, 45050621670051 + 45050621670052.

It is an arithmetic number, because the mean of its divisors is an integer number (45050621670052).

Almost surely, 2^{90101243340103} is an apocalyptic number.

90101243340103 is a deficient number, since it is larger than the sum of its proper divisors (1).

90101243340103 is an equidigital number, since it uses as much as digits as its factorization.

90101243340103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 90101243340103 in words is "ninety trillion, one hundred one billion, two hundred forty-three million, three hundred forty thousand, one hundred three".