131212333280243 has 2 divisors, whose sum is σ = 131212333280244. Its totient is φ = 131212333280242.

The previous prime is 131212333280239. The next prime is 131212333280299. The reversal of 131212333280243 is 342082333212131.

It is a weak prime.

It is an emirp because it is prime and its reverse (342082333212131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131212333280243 - 2² = 131212333280239 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 131212333280197 and 131212333280206.

It is not a weakly prime, because it can be changed into another prime (131212333280543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65606166640121 + 65606166640122.

It is an arithmetic number, because the mean of its divisors is an integer number (65606166640122).

Almost surely, 2^{131212333280243} is an apocalyptic number.

131212333280243 is a deficient number, since it is larger than the sum of its proper divisors (1).

131212333280243 is an equidigital number, since it uses as much as digits as its factorization.

131212333280243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 38.

Adding to 131212333280243 its reverse (342082333212131), we get a palindrome (473294666492374).

The spelling of 131212333280243 in words is "one hundred thirty-one trillion, two hundred twelve billion, three hundred thirty-three million, two hundred eighty thousand, two hundred forty-three".