131224302193 has 2 divisors, whose sum is σ = 131224302194. Its totient is φ = 131224302192.

The previous prime is 131224302191. The next prime is 131224302203. The reversal of 131224302193 is 391203422131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81402937344 + 49821364849 = 285312^2 + 223207^2 .

It is a cyclic number.

It is not a de Polignac number, because 131224302193 - 2¹ = 131224302191 is a prime.

Together with 131224302191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (131224302191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65612151096 + 65612151097.

It is an arithmetic number, because the mean of its divisors is an integer number (65612151097).

Almost surely, 2^131224302193 is an apocalyptic number.

It is an amenable number.

131224302193 is a deficient number, since it is larger than the sum of its proper divisors (1).

131224302193 is an equidigital number, since it uses as much as digits as its factorization.

131224302193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 131224302193 in words is "one hundred thirty-one billion, two hundred twenty-four million, three hundred two thousand, one hundred ninety-three".