98231131 has 2 divisors, whose sum is σ = 98231132. Its totient is φ = 98231130.

The previous prime is 98231129. The next prime is 98231141. The reversal of 98231131 is 13113289.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98231131 - 2¹ = 98231129 is a prime.

It is a super-2 number, since 2×98231131² = 19298710195078322, which contains 22 as substring.

Together with 98231129, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 98231131.

It is not a weakly prime, because it can be changed into another prime (98231141) 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, 49115565 + 49115566.

It is an arithmetic number, because the mean of its divisors is an integer number (49115566).

Almost surely, 2^98231131 is an apocalyptic number.

98231131 is a deficient number, since it is larger than the sum of its proper divisors (1).

98231131 is an equidigital number, since it uses as much as digits as its factorization.

98231131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 28.

The square root of 98231131 is about 9911.1619399544. The cubic root of 98231131 is about 461.4057986286.

The spelling of 98231131 in words is "ninety-eight million, two hundred thirty-one thousand, one hundred thirty-one".