98018831 has 2 divisors, whose sum is σ = 98018832. Its totient is φ = 98018830.

The previous prime is 98018771. The next prime is 98018849. The reversal of 98018831 is 13881089.

It is a strong prime.

It is an emirp because it is prime and its reverse (13881089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98018831 - 2¹⁰ = 98017807 is a prime.

It is a super-2 number, since 2×98018831² = 19215382461213122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98018861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49009415 + 49009416.

It is an arithmetic number, because the mean of its divisors is an integer number (49009416).

Almost surely, 2^98018831 is an apocalyptic number.

98018831 is a deficient number, since it is larger than the sum of its proper divisors (1).

98018831 is an equidigital number, since it uses as much as digits as its factorization.

98018831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 98018831 is about 9900.4460000547. The cubic root of 98018831 is about 461.0731576295.

The spelling of 98018831 in words is "ninety-eight million, eighteen thousand, eight hundred thirty-one".