231230132047 has 2 divisors, whose sum is σ = 231230132048. Its totient is φ = 231230132046.

The previous prime is 231230131991. The next prime is 231230132057. The reversal of 231230132047 is 740231032132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231230132047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231230132057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115615066023 + 115615066024.

It is an arithmetic number, because the mean of its divisors is an integer number (115615066024).

Almost surely, 2^231230132047 is an apocalyptic number.

231230132047 is a deficient number, since it is larger than the sum of its proper divisors (1).

231230132047 is an equidigital number, since it uses as much as digits as its factorization.

231230132047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 231230132047 its reverse (740231032132), we get a palindrome (971461164179).

The spelling of 231230132047 in words is "two hundred thirty-one billion, two hundred thirty million, one hundred thirty-two thousand, forty-seven".