99802331 has 2 divisors, whose sum is σ = 99802332. Its totient is φ = 99802330.

The previous prime is 99802321. The next prime is 99802379. The reversal of 99802331 is 13320899.

It is a weak prime.

It is an emirp because it is prime and its reverse (13320899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99802331 - 2¹⁴ = 99785947 is a prime.

It is a super-2 number, since 2×99802331² = 19921010546067122, which contains 22 as substring.

It is a Chen prime.

It is equal to p_5750684 and since 99802331 and 5750684 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 99802291 and 99802300.

It is not a weakly prime, because it can be changed into another prime (99802321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49901165 + 49901166.

It is an arithmetic number, because the mean of its divisors is an integer number (49901166).

Almost surely, 2^99802331 is an apocalyptic number.

99802331 is a deficient number, since it is larger than the sum of its proper divisors (1).

99802331 is an equidigital number, since it uses as much as digits as its factorization.

99802331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 99802331 is about 9990.1116610376. Note that the first 3 decimals coincide. The cubic root of 99802331 is about 463.8528488865.

The spelling of 99802331 in words is "ninety-nine million, eight hundred two thousand, three hundred thirty-one".