231330132727 has 2 divisors, whose sum is σ = 231330132728. Its totient is φ = 231330132726.

The previous prime is 231330132707. The next prime is 231330132743. The reversal of 231330132727 is 727231033132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231330132727 - 2¹¹ = 231330130679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231330132692 and 231330132701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231330132707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115665066363 + 115665066364.

It is an arithmetic number, because the mean of its divisors is an integer number (115665066364).

Almost surely, 2^231330132727 is an apocalyptic number.

231330132727 is a deficient number, since it is larger than the sum of its proper divisors (1).

231330132727 is an equidigital number, since it uses as much as digits as its factorization.

231330132727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 34.

Adding to 231330132727 its reverse (727231033132), we get a palindrome (958561165859).

The spelling of 231330132727 in words is "two hundred thirty-one billion, three hundred thirty million, one hundred thirty-two thousand, seven hundred twenty-seven".