10131001091 has 2 divisors, whose sum is σ = 10131001092. Its totient is φ = 10131001090.

The previous prime is 10131001079. The next prime is 10131001123. The reversal of 10131001091 is 19010013101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10131001091 - 2¹⁰ = 10131000067 is a prime.

It is not a weakly prime, because it can be changed into another prime (10131001031) 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, 5065500545 + 5065500546.

It is an arithmetic number, because the mean of its divisors is an integer number (5065500546).

Almost surely, 2^10131001091 is an apocalyptic number.

10131001091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10131001091 is an equidigital number, since it uses as much as digits as its factorization.

10131001091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 17.

Adding to 10131001091 its reverse (19010013101), we get a palindrome (29141014192).

The spelling of 10131001091 in words is "ten billion, one hundred thirty-one million, one thousand, ninety-one".