30500381011 has 4 divisors (see below), whose sum is σ = 31075859952. Its totient is φ = 29924902072.

The previous prime is 30500380997. The next prime is 30500381027. The reversal of 30500381011 is 11018300503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11018300503 = 7 ⋅1574042929.

It is a cyclic number.

It is not a de Polignac number, because 30500381011 - 2⁵ = 30500380979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30500381111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287739391 + ... + 287739496.

It is an arithmetic number, because the mean of its divisors is an integer number (7768964988).

Almost surely, 2^30500381011 is an apocalyptic number.

30500381011 is a deficient number, since it is larger than the sum of its proper divisors (575478941).

30500381011 is an equidigital number, since it uses as much as digits as its factorization.

30500381011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575478940.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 30500381011 its reverse (11018300503), we get a palindrome (41518681514).

The spelling of 30500381011 in words is "thirty billion, five hundred million, three hundred eighty-one thousand, eleven".