30331231099 has 4 divisors (see below), whose sum is σ = 32664402736. Its totient is φ = 27998059464.

The previous prime is 30331231093. The next prime is 30331231103. The reversal of 30331231099 is 99013213303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99013213303 = 6709 ⋅14758267.

It is a cyclic number.

It is not a de Polignac number, because 30331231099 - 2⁷ = 30331230971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30331231093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166585799 + ... + 1166585824.

It is an arithmetic number, because the mean of its divisors is an integer number (8166100684).

Almost surely, 2^30331231099 is an apocalyptic number.

30331231099 is a deficient number, since it is larger than the sum of its proper divisors (2333171637).

30331231099 is a wasteful number, since it uses less digits than its factorization.

30331231099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333171636.

The product of its (nonzero) digits is 13122, while the sum is 34.

The spelling of 30331231099 in words is "thirty billion, three hundred thirty-one million, two hundred thirty-one thousand, ninety-nine".