30011231011 has 4 divisors (see below), whose sum is σ = 30014534800. Its totient is φ = 30007927224.

The previous prime is 30011230999. The next prime is 30011231087. The reversal of 30011231011 is 11013211003.

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

It is a cyclic number.

It is not a de Polignac number, because 30011231011 - 2⁵ = 30011230979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30011230982 and 30011231000.

It is not an unprimeable number, because it can be changed into a prime (30011231311) 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, 1638231 + ... + 1656448.

It is an arithmetic number, because the mean of its divisors is an integer number (7503633700).

Almost surely, 2^30011231011 is an apocalyptic number.

30011231011 is a deficient number, since it is larger than the sum of its proper divisors (3303789).

30011231011 is an equidigital number, since it uses as much as digits as its factorization.

30011231011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303788.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 30011231011 its reverse (11013211003), we get a palindrome (41024442014).

The spelling of 30011231011 in words is "thirty billion, eleven million, two hundred thirty-one thousand, eleven".