98881571231 has 2 divisors, whose sum is σ = 98881571232. Its totient is φ = 98881571230.

The previous prime is 98881571213. The next prime is 98881571279. The reversal of 98881571231 is 13217518889.

Together with previous prime (98881571213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (13217518889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98881571231 - 2⁶ = 98881571167 is a prime.

It is a super-2 number, since 2×98881571231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98881571291) 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, 49440785615 + 49440785616.

It is an arithmetic number, because the mean of its divisors is an integer number (49440785616).

Almost surely, 2^98881571231 is an apocalyptic number.

98881571231 is a deficient number, since it is larger than the sum of its proper divisors (1).

98881571231 is an equidigital number, since it uses as much as digits as its factorization.

98881571231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 53.

The spelling of 98881571231 in words is "ninety-eight billion, eight hundred eighty-one million, five hundred seventy-one thousand, two hundred thirty-one".