30305030755 has 4 divisors (see below), whose sum is σ = 36366036912. Its totient is φ = 24244024600.

The previous prime is 30305030741. The next prime is 30305030779. The reversal of 30305030755 is 55703050303.

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

It is not a de Polignac number, because 30305030755 - 2⁹ = 30305030243 is a prime.

It is a super-2 number, since 2×30305030755² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3030503071 + ... + 3030503080.

It is an arithmetic number, because the mean of its divisors is an integer number (9091509228).

Almost surely, 2^30305030755 is an apocalyptic number.

30305030755 is a deficient number, since it is larger than the sum of its proper divisors (6061006157).

30305030755 is an equidigital number, since it uses as much as digits as its factorization.

30305030755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6061006156.

The product of its (nonzero) digits is 23625, while the sum is 31.

The spelling of 30305030755 in words is "thirty billion, three hundred five million, thirty thousand, seven hundred fifty-five".