10231114991 has 2 divisors, whose sum is σ = 10231114992. Its totient is φ = 10231114990.

The previous prime is 10231114963. The next prime is 10231115057. The reversal of 10231114991 is 19941113201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10231114991 - 2²² = 10226920687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10231114921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115557495 + 5115557496.

It is an arithmetic number, because the mean of its divisors is an integer number (5115557496).

Almost surely, 2^10231114991 is an apocalyptic number.

10231114991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10231114991 is an equidigital number, since it uses as much as digits as its factorization.

10231114991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 32.

The spelling of 10231114991 in words is "ten billion, two hundred thirty-one million, one hundred fourteen thousand, nine hundred ninety-one".