131025430213 has 2 divisors, whose sum is σ = 131025430214. Its totient is φ = 131025430212.

The previous prime is 131025430183. The next prime is 131025430219. The reversal of 131025430213 is 312034520131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128323717729 + 2701712484 = 358223^2 + 51978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131025430213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131025430219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65512715106 + 65512715107.

It is an arithmetic number, because the mean of its divisors is an integer number (65512715107).

Almost surely, 2^131025430213 is an apocalyptic number.

It is an amenable number.

131025430213 is a deficient number, since it is larger than the sum of its proper divisors (1).

131025430213 is an equidigital number, since it uses as much as digits as its factorization.

131025430213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 131025430213 its reverse (312034520131), we get a palindrome (443059950344).

The spelling of 131025430213 in words is "one hundred thirty-one billion, twenty-five million, four hundred thirty thousand, two hundred thirteen".