30312099 has 6 divisors (see below), whose sum is σ = 43784156. Its totient is φ = 20208060.

The previous prime is 30312089. The next prime is 30312103. The reversal of 30312099 is 99021303.

It is not a de Polignac number, because 30312099 - 2⁴ = 30312083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30312089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1683997 + ... + 1684014.

Almost surely, 2^30312099 is an apocalyptic number.

30312099 is a deficient number, since it is larger than the sum of its proper divisors (13472057).

30312099 is a wasteful number, since it uses less digits than its factorization.

30312099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368017 (or 3368014 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 30312099 is about 5505.6424693218. The cubic root of 30312099 is about 311.7970512005.

The spelling of 30312099 in words is "thirty million, three hundred twelve thousand, ninety-nine".