231323312121107 has 2 divisors, whose sum is σ = 231323312121108. Its totient is φ = 231323312121106.

The previous prime is 231323312121029. The next prime is 231323312121131. The reversal of 231323312121107 is 701121213323132.

231323312121107 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 is a cyclic number.

It is not a de Polignac number, because 231323312121107 - 2⁸ = 231323312120851 is a prime.

It is not a weakly prime, because it can be changed into another prime (231323312121137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115661656060553 + 115661656060554.

It is an arithmetic number, because the mean of its divisors is an integer number (115661656060554).

Almost surely, 2^{231323312121107} is an apocalyptic number.

231323312121107 is a deficient number, since it is larger than the sum of its proper divisors (1).

231323312121107 is an equidigital number, since it uses as much as digits as its factorization.

231323312121107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

Adding to 231323312121107 its reverse (701121213323132), we get a palindrome (932444525444239).

The spelling of 231323312121107 in words is "two hundred thirty-one trillion, three hundred twenty-three billion, three hundred twelve million, one hundred twenty-one thousand, one hundred seven".