100312271 has 2 divisors, whose sum is σ = 100312272. Its totient is φ = 100312270.

The previous prime is 100312253. The next prime is 100312283. The reversal of 100312271 is 172213001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100312271 - 2¹⁰ = 100311247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100612271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50156135 + 50156136.

It is an arithmetic number, because the mean of its divisors is an integer number (50156136).

Almost surely, 2^100312271 is an apocalyptic number.

100312271 is a deficient number, since it is larger than the sum of its proper divisors (1).

100312271 is an equidigital number, since it uses as much as digits as its factorization.

100312271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 100312271 is about 10015.6013798473. The cubic root of 100312271 is about 464.6415258541.

Adding to 100312271 its reverse (172213001), we get a palindrome (272525272).

The spelling of 100312271 in words is "one hundred million, three hundred twelve thousand, two hundred seventy-one".