30312329999 has 4 divisors (see below), whose sum is σ = 34642662864. Its totient is φ = 25981997136.

The previous prime is 30312329951. The next prime is 30312330053. The reversal of 30312329999 is 99992321303.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30312329999 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 (30312328999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2165166422 + ... + 2165166435.

It is an arithmetic number, because the mean of its divisors is an integer number (8660665716).

Almost surely, 2^30312329999 is an apocalyptic number.

30312329999 is a deficient number, since it is larger than the sum of its proper divisors (4330332865).

30312329999 is an equidigital number, since it uses as much as digits as its factorization.

30312329999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4330332864.

The product of its (nonzero) digits is 708588, while the sum is 50.

The spelling of 30312329999 in words is "thirty billion, three hundred twelve million, three hundred twenty-nine thousand, nine hundred ninety-nine".