131200101212491 has 2 divisors, whose sum is σ = 131200101212492. Its totient is φ = 131200101212490.

The previous prime is 131200101212311. The next prime is 131200101212501. The reversal of 131200101212491 is 194212101002131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131200101212491 - 2³⁷ = 131062662259019 is a prime.

It is not a weakly prime, because it can be changed into another prime (131200101282491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65600050606245 + 65600050606246.

It is an arithmetic number, because the mean of its divisors is an integer number (65600050606246).

Almost surely, 2^{131200101212491} is an apocalyptic number.

131200101212491 is a deficient number, since it is larger than the sum of its proper divisors (1).

131200101212491 is an equidigital number, since it uses as much as digits as its factorization.

131200101212491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 131200101212491 in words is "one hundred thirty-one trillion, two hundred billion, one hundred one million, two hundred twelve thousand, four hundred ninety-one".