231113527 has 2 divisors, whose sum is σ = 231113528. Its totient is φ = 231113526.

The previous prime is 231113501. The next prime is 231113537. The reversal of 231113527 is 725311132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231113527 - 2¹⁹ = 230589239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231113537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115556763 + 115556764.

It is an arithmetic number, because the mean of its divisors is an integer number (115556764).

Almost surely, 2^231113527 is an apocalyptic number.

231113527 is a deficient number, since it is larger than the sum of its proper divisors (1).

231113527 is an equidigital number, since it uses as much as digits as its factorization.

231113527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 25.

The square root of 231113527 is about 15202.4184589163. The cubic root of 231113527 is about 613.6797438257.

Adding to 231113527 its reverse (725311132), we get a palindrome (956424659).

The spelling of 231113527 in words is "two hundred thirty-one million, one hundred thirteen thousand, five hundred twenty-seven".