99231613 has 8 divisors (see below), whose sum is σ = 107574656. Its totient is φ = 90990000.

The previous prime is 99231593. The next prime is 99231631. The reversal of 99231613 is 31613299.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99231613 - 2⁹ = 99231101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99231653) 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 7 ways as a sum of consecutive naturals, for example, 23313 + ... + 27238.

It is an arithmetic number, because the mean of its divisors is an integer number (13446832).

Almost surely, 2^99231613 is an apocalyptic number.

It is an amenable number.

99231613 is a deficient number, since it is larger than the sum of its proper divisors (8343043).

99231613 is a wasteful number, since it uses less digits than its factorization.

99231613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50715.

The product of its digits is 8748, while the sum is 34.

The square root of 99231613 is about 9961.5065627645. The cubic root of 99231613 is about 462.9669798114.

The spelling of 99231613 in words is "ninety-nine million, two hundred thirty-one thousand, six hundred thirteen".