131133100291 has 2 divisors, whose sum is σ = 131133100292. Its totient is φ = 131133100290.

The previous prime is 131133100253. The next prime is 131133100321. The reversal of 131133100291 is 192001331131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131133100291 is a prime.

It is not a weakly prime, because it can be changed into another prime (131133100591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65566550145 + 65566550146.

It is an arithmetic number, because the mean of its divisors is an integer number (65566550146).

Almost surely, 2^131133100291 is an apocalyptic number.

131133100291 is a deficient number, since it is larger than the sum of its proper divisors (1).

131133100291 is an equidigital number, since it uses as much as digits as its factorization.

131133100291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 25.

The spelling of 131133100291 in words is "one hundred thirty-one billion, one hundred thirty-three million, one hundred thousand, two hundred ninety-one".