32131000091 has 2 divisors, whose sum is σ = 32131000092. Its totient is φ = 32131000090.

The previous prime is 32131000067. The next prime is 32131000163. The reversal of 32131000091 is 19000013123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32131000091 - 2¹⁰ = 32130999067 is a prime.

It is not a weakly prime, because it can be changed into another prime (32131002091) 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, 16065500045 + 16065500046.

It is an arithmetic number, because the mean of its divisors is an integer number (16065500046).

Almost surely, 2^32131000091 is an apocalyptic number.

32131000091 is a deficient number, since it is larger than the sum of its proper divisors (1).

32131000091 is an equidigital number, since it uses as much as digits as its factorization.

32131000091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The spelling of 32131000091 in words is "thirty-two billion, one hundred thirty-one million, ninety-one", and thus it is an aban number.