231030300011121 has 96 divisors (see below), whose sum is σ = 393655827670560. Its totient is φ = 129190712942592.

The previous prime is 231030300011089. The next prime is 231030300011153. The reversal of 231030300011121 is 121110003030132.

231030300011121 is a `hidden beast` number, since 2 + 310 + 30 + 300 + 0 + 1 + 1 + 1 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (231030300011089) and next prime (231030300011153).

It can be written as a sum of positive squares in 16 ways, for example, as 91710520586721 + 139319779424400 = 9576561^2 + 11803380^2 .

It is not a de Polignac number, because 231030300011121 - 2⁵ = 231030300011089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231030300011094 and 231030300011103.

It is not an unprimeable number, because it can be changed into a prime (231030301011121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2245642935 + ... + 2245745811.

It is an arithmetic number, because the mean of its divisors is an integer number (4100581538235).

Almost surely, 2^{231030300011121} is an apocalyptic number.

It is an amenable number.

231030300011121 is a deficient number, since it is larger than the sum of its proper divisors (162625527659439).

231030300011121 is a wasteful number, since it uses less digits than its factorization.

231030300011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141875 (or 141872 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 231030300011121 its reverse (121110003030132), we get a palindrome (352140303041253).

The spelling of 231030300011121 in words is "two hundred thirty-one trillion, thirty billion, three hundred million, eleven thousand, one hundred twenty-one".