99321311 has 8 divisors (see below), whose sum is σ = 103665744. Its totient is φ = 95068480.

The previous prime is 99321289. The next prime is 99321319. The reversal of 99321311 is 11312399.

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 99321311 - 2⁶ = 99321247 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 (99321319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20681 + ... + 25026.

It is an arithmetic number, because the mean of its divisors is an integer number (12958218).

Almost surely, 2^99321311 is an apocalyptic number.

99321311 is a deficient number, since it is larger than the sum of its proper divisors (4344433).

99321311 is a wasteful number, since it uses less digits than its factorization.

99321311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45801.

The product of its digits is 1458, while the sum is 29.

The square root of 99321311 is about 9966.0077764369. The cubic root of 99321311 is about 463.1064337101.

The spelling of 99321311 in words is "ninety-nine million, three hundred twenty-one thousand, three hundred eleven".