131320623037 has 2 divisors, whose sum is σ = 131320623038. Its totient is φ = 131320623036.

The previous prime is 131320622963. The next prime is 131320623053. The reversal of 131320623037 is 730326023131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129754125796 + 1566497241 = 360214^2 + 39579^2 .

It is a cyclic number.

It is not a de Polignac number, because 131320623037 - 2²⁷ = 131186405309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131320623437) 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, 65660311518 + 65660311519.

It is an arithmetic number, because the mean of its divisors is an integer number (65660311519).

Almost surely, 2^131320623037 is an apocalyptic number.

It is an amenable number.

131320623037 is a deficient number, since it is larger than the sum of its proper divisors (1).

131320623037 is an equidigital number, since it uses as much as digits as its factorization.

131320623037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 31.

Adding to 131320623037 its reverse (730326023131), we get a palindrome (861646646168).

The spelling of 131320623037 in words is "one hundred thirty-one billion, three hundred twenty million, six hundred twenty-three thousand, thirty-seven".