10231131091 has 2 divisors, whose sum is σ = 10231131092. Its totient is φ = 10231131090.

The previous prime is 10231131073. The next prime is 10231131107. The reversal of 10231131091 is 19013113201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10231131091 - 2¹⁹ = 10230606803 is a prime.

It is not a weakly prime, because it can be changed into another prime (10231131011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115565545 + 5115565546.

It is an arithmetic number, because the mean of its divisors is an integer number (5115565546).

Almost surely, 2^10231131091 is an apocalyptic number.

10231131091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10231131091 is an equidigital number, since it uses as much as digits as its factorization.

10231131091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 22.

Adding to 10231131091 its reverse (19013113201), we get a palindrome (29244244292).

The spelling of 10231131091 in words is "ten billion, two hundred thirty-one million, one hundred thirty-one thousand, ninety-one".