30750303055 has 4 divisors (see below), whose sum is σ = 36900363672. Its totient is φ = 24600242440.

The previous prime is 30750303053. The next prime is 30750303109. The reversal of 30750303055 is 55030305703.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55030305703 = 4327 ⋅12717889.

It is not a de Polignac number, because 30750303055 - 2¹ = 30750303053 is a prime.

It is a super-2 number, since 2×30750303055² (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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30750303053) 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 3 ways as a sum of consecutive naturals, for example, 3075030301 + ... + 3075030310.

It is an arithmetic number, because the mean of its divisors is an integer number (9225090918).

Almost surely, 2^30750303055 is an apocalyptic number.

30750303055 is a deficient number, since it is larger than the sum of its proper divisors (6150060617).

30750303055 is an equidigital number, since it uses as much as digits as its factorization.

30750303055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6150060616.

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

Adding to 30750303055 its reverse (55030305703), we get a palindrome (85780608758).

The spelling of 30750303055 in words is "thirty billion, seven hundred fifty million, three hundred three thousand, fifty-five".