131670421241 has 2 divisors, whose sum is σ = 131670421242. Its totient is φ = 131670421240.

The previous prime is 131670421193. The next prime is 131670421243. The reversal of 131670421241 is 142124076131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104471814841 + 27198606400 = 323221^2 + 164920^2 .

It is a cyclic number.

It is not a de Polignac number, because 131670421241 - 2⁶ = 131670421177 is a prime.

Together with 131670421243, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 131670421198 and 131670421207.

It is not a weakly prime, because it can be changed into another prime (131670421243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65835210620 + 65835210621.

It is an arithmetic number, because the mean of its divisors is an integer number (65835210621).

Almost surely, 2^131670421241 is an apocalyptic number.

It is an amenable number.

131670421241 is a deficient number, since it is larger than the sum of its proper divisors (1).

131670421241 is an equidigital number, since it uses as much as digits as its factorization.

131670421241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

Adding to 131670421241 its reverse (142124076131), we get a palindrome (273794497372).

The spelling of 131670421241 in words is "one hundred thirty-one billion, six hundred seventy million, four hundred twenty-one thousand, two hundred forty-one".