131201130013021 has 2 divisors, whose sum is σ = 131201130013022. Its totient is φ = 131201130013020.

The previous prime is 131201130012943. The next prime is 131201130013027. The reversal of 131201130013021 is 120310031102131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105285760983225 + 25915369029796 = 10260885^2 + 5090714^2 .

It is a cyclic number.

It is not a de Polignac number, because 131201130013021 - 2⁹ = 131201130012509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131201130013021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131201130013027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65600565006510 + 65600565006511.

It is an arithmetic number, because the mean of its divisors is an integer number (65600565006511).

Almost surely, 2^{131201130013021} is an apocalyptic number.

It is an amenable number.

131201130013021 is a deficient number, since it is larger than the sum of its proper divisors (1).

131201130013021 is an equidigital number, since it uses as much as digits as its factorization.

131201130013021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 131201130013021 its reverse (120310031102131), we get a palindrome (251511161115152).

The spelling of 131201130013021 in words is "one hundred thirty-one trillion, two hundred one billion, one hundred thirty million, thirteen thousand, twenty-one".