98311 has 4 divisors (see below), whose sum is σ = 104112. Its totient is φ = 92512.

The previous prime is 98299. The next prime is 98317. The reversal of 98311 is 11389.

98311 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11389 = 7 ⋅1627.

It is a cyclic number.

It is not a de Polignac number, because 98311 - 2¹¹ = 96263 is a prime.

It is a Duffinian number.

98311 is an undulating number in base 15.

It is a nialpdrome in base 10.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2875 + ... + 2908.

It is an arithmetic number, because the mean of its divisors is an integer number (26028).

2⁹⁸³¹¹ is an apocalyptic number.

98311 is a deficient number, since it is larger than the sum of its proper divisors (5801).

98311 is a wasteful number, since it uses less digits than its factorization.

98311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5800.

The product of its digits is 216, while the sum is 22.

The square root of 98311 is about 313.5458499167. The cubic root of 98311 is about 46.1530816825.

Subtracting from 98311 its sum of digits (22), we obtain a palindrome (98289).

The spelling of 98311 in words is "ninety-eight thousand, three hundred eleven".