99330231 has 96 divisors (see below), whose sum is σ = 186855424. Its totient is φ = 45619200.

The previous prime is 99330229. The next prime is 99330241. The reversal of 99330231 is 13203399.

It is not a de Polignac number, because 99330231 - 2¹ = 99330229 is a prime.

It is a super-2 number, since 2×99330231² = 19732989581026722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99330211) 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 in 95 ways as a sum of consecutive naturals, for example, 1023975 + ... + 1024071.

Almost surely, 2^99330231 is an apocalyptic number.

99330231 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

99330231 is a deficient number, since it is larger than the sum of its proper divisors (87525193).

99330231 is a wasteful number, since it uses less digits than its factorization.

99330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 30.

The square root of 99330231 is about 9966.4552876135. The cubic root of 99330231 is about 463.1202970851.

The spelling of 99330231 in words is "ninety-nine million, three hundred thirty thousand, two hundred thirty-one".