98431271 has 2 divisors, whose sum is σ = 98431272. Its totient is φ = 98431270.

The previous prime is 98431259. The next prime is 98431273. The reversal of 98431271 is 17213489.

It is a strong prime.

It is an emirp because it is prime and its reverse (17213489) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98431271 - 2¹⁰ = 98430247 is a prime.

It is a super-2 number, since 2×98431271² = 19377430221350882, which contains 22 as substring.

Together with 98431273, 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 (98431273) 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, 49215635 + 49215636.

It is an arithmetic number, because the mean of its divisors is an integer number (49215636).

Almost surely, 2^98431271 is an apocalyptic number.

98431271 is a deficient number, since it is larger than the sum of its proper divisors (1).

98431271 is an equidigital number, since it uses as much as digits as its factorization.

98431271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 98431271 is about 9921.2534994324. The cubic root of 98431271 is about 461.7189482048.

The spelling of 98431271 in words is "ninety-eight million, four hundred thirty-one thousand, two hundred seventy-one".