231310222307 has 2 divisors, whose sum is σ = 231310222308. Its totient is φ = 231310222306.

The previous prime is 231310222223. The next prime is 231310222357. The reversal of 231310222307 is 703222013132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231310222307 - 2¹² = 231310218211 is a prime.

It is not a weakly prime, because it can be changed into another prime (231310222357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115655111153 + 115655111154.

It is an arithmetic number, because the mean of its divisors is an integer number (115655111154).

Almost surely, 2^231310222307 is an apocalyptic number.

231310222307 is a deficient number, since it is larger than the sum of its proper divisors (1).

231310222307 is an equidigital number, since it uses as much as digits as its factorization.

231310222307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 231310222307 its reverse (703222013132), we get a palindrome (934532235439).

The spelling of 231310222307 in words is "two hundred thirty-one billion, three hundred ten million, two hundred twenty-two thousand, three hundred seven".