30323931809 has 16 divisors (see below), whose sum is σ = 33039369600. Its totient is φ = 27721564416.

The previous prime is 30323931779. The next prime is 30323931851. The reversal of 30323931809 is 90813932303.

It is a cyclic number.

It is not a de Polignac number, because 30323931809 - 2²⁴ = 30307154593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30323931709) 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 15 ways as a sum of consecutive naturals, for example, 1017332 + ... + 1046714.

It is an arithmetic number, because the mean of its divisors is an integer number (2064960600).

Almost surely, 2^30323931809 is an apocalyptic number.

It is an amenable number.

30323931809 is a deficient number, since it is larger than the sum of its proper divisors (2715437791).

30323931809 is a wasteful number, since it uses less digits than its factorization.

30323931809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31304.

The product of its (nonzero) digits is 104976, while the sum is 41.

The spelling of 30323931809 in words is "thirty billion, three hundred twenty-three million, nine hundred thirty-one thousand, eight hundred nine".