99311311 has 8 divisors (see below), whose sum is σ = 108622800. Its totient is φ = 90047040.

The previous prime is 99311299. The next prime is 99311327. The reversal of 99311311 is 11311399.

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 99311311 - 2⁵ = 99311279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99311311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99311351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7326 + ... + 15883.

It is an arithmetic number, because the mean of its divisors is an integer number (13577850).

Almost surely, 2^99311311 is an apocalyptic number.

99311311 is a deficient number, since it is larger than the sum of its proper divisors (9311489).

99311311 is a wasteful number, since it uses less digits than its factorization.

99311311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23609.

The product of its digits is 729, while the sum is 28.

The square root of 99311311 is about 9965.5060583996. The cubic root of 99311311 is about 463.0908908230.

The spelling of 99311311 in words is "ninety-nine million, three hundred eleven thousand, three hundred eleven".