231024031111 has 2 divisors, whose sum is σ = 231024031112. Its totient is φ = 231024031110.

The previous prime is 231024031109. The next prime is 231024031123. The reversal of 231024031111 is 111130420132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231024031111 - 2¹ = 231024031109 is a prime.

Together with 231024031109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231024031211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115512015555 + 115512015556.

It is an arithmetic number, because the mean of its divisors is an integer number (115512015556).

Almost surely, 2^231024031111 is an apocalyptic number.

231024031111 is a deficient number, since it is larger than the sum of its proper divisors (1).

231024031111 is an equidigital number, since it uses as much as digits as its factorization.

231024031111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 231024031111 its reverse (111130420132), we get a palindrome (342154451243).

The spelling of 231024031111 in words is "two hundred thirty-one billion, twenty-four million, thirty-one thousand, one hundred eleven".