231052511 has 2 divisors, whose sum is σ = 231052512. Its totient is φ = 231052510.

The previous prime is 231052501. The next prime is 231052529. The reversal of 231052511 is 115250132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231052511 - 2⁶ = 231052447 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231052501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115526255 + 115526256.

It is an arithmetic number, because the mean of its divisors is an integer number (115526256).

Almost surely, 2^231052511 is an apocalyptic number.

231052511 is a deficient number, since it is larger than the sum of its proper divisors (1).

231052511 is an equidigital number, since it uses as much as digits as its factorization.

231052511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 231052511 is about 15200.4115404814. The cubic root of 231052511 is about 613.6257334591.

The spelling of 231052511 in words is "two hundred thirty-one million, fifty-two thousand, five hundred eleven".