30805715097 has 32 divisors (see below), whose sum is σ = 46801560960. Its totient is φ = 20015674560.

The previous prime is 30805715069. The next prime is 30805715107. The reversal of 30805715097 is 79051750803.

It is not a de Polignac number, because 30805715097 - 2¹⁴ = 30805698713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30805715497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506443 + ... + 563999.

It is an arithmetic number, because the mean of its divisors is an integer number (1462548780).

Almost surely, 2^30805715097 is an apocalyptic number.

It is an amenable number.

30805715097 is a deficient number, since it is larger than the sum of its proper divisors (15995845863).

30805715097 is a wasteful number, since it uses less digits than its factorization.

30805715097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58070 (or 58064 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The spelling of 30805715097 in words is "thirty billion, eight hundred five million, seven hundred fifteen thousand, ninety-seven".