131343220010437 has 2 divisors, whose sum is σ = 131343220010438. Its totient is φ = 131343220010436.

The previous prime is 131343220010413. The next prime is 131343220010447. The reversal of 131343220010437 is 734010022343131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101621903631361 + 29721316379076 = 10080769^2 + 5451726^2 .

It is an emirp because it is prime and its reverse (734010022343131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131343220010437 - 2³⁵ = 131308860272069 is a prime.

It is a super-4 number, since 4×131343220010437⁴ (a number of 58 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131343220010447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65671610005218 + 65671610005219.

It is an arithmetic number, because the mean of its divisors is an integer number (65671610005219).

Almost surely, 2^{131343220010437} is an apocalyptic number.

It is an amenable number.

131343220010437 is a deficient number, since it is larger than the sum of its proper divisors (1).

131343220010437 is an equidigital number, since it uses as much as digits as its factorization.

131343220010437 is an evil number, because the sum of its binary digits is even.

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

Adding to 131343220010437 its reverse (734010022343131), we get a palindrome (865353242353568).

The spelling of 131343220010437 in words is "one hundred thirty-one trillion, three hundred forty-three billion, two hundred twenty million, ten thousand, four hundred thirty-seven".