131403004031437 has 2 divisors, whose sum is σ = 131403004031438. Its totient is φ = 131403004031436.

The previous prime is 131403004031389. The next prime is 131403004031461. The reversal of 131403004031437 is 734130400304131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82149823831716 + 49253180199721 = 9063654^2 + 7018061^2 .

It is a cyclic number.

It is not a de Polignac number, because 131403004031437 - 2³¹ = 131400856547789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131403004032437) 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, 65701502015718 + 65701502015719.

It is an arithmetic number, because the mean of its divisors is an integer number (65701502015719).

Almost surely, 2^{131403004031437} is an apocalyptic number.

It is an amenable number.

131403004031437 is a deficient number, since it is larger than the sum of its proper divisors (1).

131403004031437 is an equidigital number, since it uses as much as digits as its factorization.

131403004031437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 34.

Adding to 131403004031437 its reverse (734130400304131), we get a palindrome (865533404335568).

The spelling of 131403004031437 in words is "one hundred thirty-one trillion, four hundred three billion, four million, thirty-one thousand, four hundred thirty-seven".