231434243101 has 2 divisors, whose sum is σ = 231434243102. Its totient is φ = 231434243100.

The previous prime is 231434243069. The next prime is 231434243113. The reversal of 231434243101 is 101342434132.

It is a happy number.

231434243101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139764570201 + 91669672900 = 373851^2 + 302770^2 .

It is a cyclic number.

It is not a de Polignac number, because 231434243101 - 2⁵ = 231434243069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231434243101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231434243171) 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, 115717121550 + 115717121551.

It is an arithmetic number, because the mean of its divisors is an integer number (115717121551).

Almost surely, 2^231434243101 is an apocalyptic number.

It is an amenable number.

231434243101 is a deficient number, since it is larger than the sum of its proper divisors (1).

231434243101 is an equidigital number, since it uses as much as digits as its factorization.

231434243101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 231434243101 its reverse (101342434132), we get a palindrome (332776677233).

The spelling of 231434243101 in words is "two hundred thirty-one billion, four hundred thirty-four million, two hundred forty-three thousand, one hundred one".