30805120297 has 16 divisors (see below), whose sum is σ = 35810870400. Its totient is φ = 25950833280.

The previous prime is 30805120259. The next prime is 30805120301. The reversal of 30805120297 is 79202150803.

It is a cyclic number.

It is not a de Polignac number, because 30805120297 - 2¹⁵ = 30805087529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30805120207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3336147 + ... + 3345367.

It is an arithmetic number, because the mean of its divisors is an integer number (2238179400).

Almost surely, 2^30805120297 is an apocalyptic number.

It is an amenable number.

30805120297 is a deficient number, since it is larger than the sum of its proper divisors (5005750103).

30805120297 is an equidigital number, since it uses as much as digits as its factorization.

30805120297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17376.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 30805120297 in words is "thirty billion, eight hundred five million, one hundred twenty thousand, two hundred ninety-seven".