100203071 has 2 divisors, whose sum is σ = 100203072. Its totient is φ = 100203070.

The previous prime is 100203031. The next prime is 100203073. The reversal of 100203071 is 170302001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100203071 is a prime.

Together with 100203073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100203073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50101535 + 50101536.

It is an arithmetic number, because the mean of its divisors is an integer number (50101536).

Almost surely, 2^100203071 is an apocalyptic number.

100203071 is a deficient number, since it is larger than the sum of its proper divisors (1).

100203071 is an equidigital number, since it uses as much as digits as its factorization.

100203071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 100203071 is about 10010.1484004984. The cubic root of 100203071 is about 464.4728616195.

Adding to 100203071 its reverse (170302001), we get a palindrome (270505072).

The spelling of 100203071 in words is "one hundred million, two hundred three thousand, seventy-one".