131243431003001 has 2 divisors, whose sum is σ = 131243431003002. Its totient is φ = 131243431003000.

The previous prime is 131243431002979. The next prime is 131243431003031. The reversal of 131243431003001 is 100300134342131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98198190250000 + 33045240753001 = 9909500^2 + 5748499^2 .

It is an emirp because it is prime and its reverse (100300134342131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131243431003001 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (131243431003031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65621715501500 + 65621715501501.

It is an arithmetic number, because the mean of its divisors is an integer number (65621715501501).

Almost surely, 2^{131243431003001} is an apocalyptic number.

It is an amenable number.

131243431003001 is a deficient number, since it is larger than the sum of its proper divisors (1).

131243431003001 is an equidigital number, since it uses as much as digits as its factorization.

131243431003001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 131243431003001 its reverse (100300134342131), we get a palindrome (231543565345132).

The spelling of 131243431003001 in words is "one hundred thirty-one trillion, two hundred forty-three billion, four hundred thirty-one million, three thousand, one".