131844956293 has 2 divisors, whose sum is σ = 131844956294. Its totient is φ = 131844956292.

The previous prime is 131844956291. The next prime is 131844956297. The reversal of 131844956293 is 392659448131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89319092769 + 42525863524 = 298863^2 + 206218^2 .

It is an emirp because it is prime and its reverse (392659448131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131844956293 - 2¹ = 131844956291 is a prime.

Together with 131844956291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131844956291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65922478146 + 65922478147.

It is an arithmetic number, because the mean of its divisors is an integer number (65922478147).

Almost surely, 2^131844956293 is an apocalyptic number.

It is an amenable number.

131844956293 is a deficient number, since it is larger than the sum of its proper divisors (1).

131844956293 is an equidigital number, since it uses as much as digits as its factorization.

131844956293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 55.

The spelling of 131844956293 in words is "one hundred thirty-one billion, eight hundred forty-four million, nine hundred fifty-six thousand, two hundred ninety-three".