131700242237 has 2 divisors, whose sum is σ = 131700242238. Its totient is φ = 131700242236.

The previous prime is 131700242213. The next prime is 131700242239. The reversal of 131700242237 is 732242007131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126617835556 + 5082406681 = 355834^2 + 71291^2 .

It is a cyclic number.

It is not a de Polignac number, because 131700242237 - 2¹⁰ = 131700241213 is a prime.

Together with 131700242239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131700242239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65850121118 + 65850121119.

It is an arithmetic number, because the mean of its divisors is an integer number (65850121119).

Almost surely, 2^131700242237 is an apocalyptic number.

It is an amenable number.

131700242237 is a deficient number, since it is larger than the sum of its proper divisors (1).

131700242237 is an equidigital number, since it uses as much as digits as its factorization.

131700242237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 32.

Adding to 131700242237 its reverse (732242007131), we get a palindrome (863942249368).

The spelling of 131700242237 in words is "one hundred thirty-one billion, seven hundred million, two hundred forty-two thousand, two hundred thirty-seven".