30231111101 has 4 divisors (see below), whose sum is σ = 32009411772. Its totient is φ = 28452810432.

The previous prime is 30231111089. The next prime is 30231111121. The reversal of 30231111101 is 10111113203.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19628290201 + 10602820900 = 140101^2 + 102970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30231111101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231111121) 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, 889150310 + ... + 889150343.

It is an arithmetic number, because the mean of its divisors is an integer number (8002352943).

Almost surely, 2^30231111101 is an apocalyptic number.

It is an amenable number.

30231111101 is a deficient number, since it is larger than the sum of its proper divisors (1778300671).

30231111101 is a wasteful number, since it uses less digits than its factorization.

30231111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778300670.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 30231111101 its reverse (10111113203), we get a palindrome (40342224304).

The spelling of 30231111101 in words is "thirty billion, two hundred thirty-one million, one hundred eleven thousand, one hundred one".