231323303111 has 2 divisors, whose sum is σ = 231323303112. Its totient is φ = 231323303110.

The previous prime is 231323303087. The next prime is 231323303131. The reversal of 231323303111 is 111303323132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231323303111 - 2⁶ = 231323303047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231323303131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115661651555 + 115661651556.

It is an arithmetic number, because the mean of its divisors is an integer number (115661651556).

Almost surely, 2^231323303111 is an apocalyptic number.

231323303111 is a deficient number, since it is larger than the sum of its proper divisors (1).

231323303111 is an equidigital number, since it uses as much as digits as its factorization.

231323303111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 231323303111 its reverse (111303323132), we get a palindrome (342626626243).

The spelling of 231323303111 in words is "two hundred thirty-one billion, three hundred twenty-three million, three hundred three thousand, one hundred eleven".