131201031100291 has 2 divisors, whose sum is σ = 131201031100292. Its totient is φ = 131201031100290.

The previous prime is 131201031100241. The next prime is 131201031100303. The reversal of 131201031100291 is 192001130102131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131201031100291 - 2²⁵ = 131200997545859 is a prime.

It is not a weakly prime, because it can be changed into another prime (131201031100241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65600515550145 + 65600515550146.

It is an arithmetic number, because the mean of its divisors is an integer number (65600515550146).

Almost surely, 2^{131201031100291} is an apocalyptic number.

131201031100291 is a deficient number, since it is larger than the sum of its proper divisors (1).

131201031100291 is an equidigital number, since it uses as much as digits as its factorization.

131201031100291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 131201031100291 in words is "one hundred thirty-one trillion, two hundred one billion, thirty-one million, one hundred thousand, two hundred ninety-one".