231233102011 has 2 divisors, whose sum is σ = 231233102012. Its totient is φ = 231233102010.

The previous prime is 231233101999. The next prime is 231233102053. The reversal of 231233102011 is 110201332132.

231233102011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231233102011 - 2²¹ = 231231004859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231233102011.

It is not a weakly prime, because it can be changed into another prime (231233102071) 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 as a sum of consecutive naturals, namely, 115616551005 + 115616551006.

It is an arithmetic number, because the mean of its divisors is an integer number (115616551006).

Almost surely, 2^231233102011 is an apocalyptic number.

231233102011 is a deficient number, since it is larger than the sum of its proper divisors (1).

231233102011 is an equidigital number, since it uses as much as digits as its factorization.

231233102011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 231233102011 its reverse (110201332132), we get a palindrome (341434434143).

The spelling of 231233102011 in words is "two hundred thirty-one billion, two hundred thirty-three million, one hundred two thousand, eleven".