131202134133601 has 2 divisors, whose sum is σ = 131202134133602. Its totient is φ = 131202134133600.

The previous prime is 131202134133559. The next prime is 131202134133607. The reversal of 131202134133601 is 106331431202131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105602834952976 + 25599299180625 = 10276324^2 + 5059575^2 .

It is a cyclic number.

It is not a de Polignac number, because 131202134133601 - 2¹⁵ = 131202134100833 is a prime.

It is a super-2 number, since 2×131202134133601² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131202134133607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65601067066800 + 65601067066801.

It is an arithmetic number, because the mean of its divisors is an integer number (65601067066801).

Almost surely, 2^{131202134133601} is an apocalyptic number.

It is an amenable number.

131202134133601 is a deficient number, since it is larger than the sum of its proper divisors (1).

131202134133601 is an equidigital number, since it uses as much as digits as its factorization.

131202134133601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 131202134133601 its reverse (106331431202131), we get a palindrome (237533565335732).

The spelling of 131202134133601 in words is "one hundred thirty-one trillion, two hundred two billion, one hundred thirty-four million, one hundred thirty-three thousand, six hundred one".