131724463824361 has 2 divisors, whose sum is σ = 131724463824362. Its totient is φ = 131724463824360.

The previous prime is 131724463824353. The next prime is 131724463824367. The reversal of 131724463824361 is 163428364427131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93254636040336 + 38469827784025 = 9656844^2 + 6202405^2 .

It is an emirp because it is prime and its reverse (163428364427131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131724463824361 - 2³ = 131724463824353 is a prime.

It is not a weakly prime, because it can be changed into another prime (131724463824367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65862231912180 + 65862231912181.

It is an arithmetic number, because the mean of its divisors is an integer number (65862231912181).

Almost surely, 2^{131724463824361} is an apocalyptic number.

It is an amenable number.

131724463824361 is a deficient number, since it is larger than the sum of its proper divisors (1).

131724463824361 is an equidigital number, since it uses as much as digits as its factorization.

131724463824361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13934592, while the sum is 55.

The spelling of 131724463824361 in words is "one hundred thirty-one trillion, seven hundred twenty-four billion, four hundred sixty-three million, eight hundred twenty-four thousand, three hundred sixty-one".