131021433213371 has 2 divisors, whose sum is σ = 131021433213372. Its totient is φ = 131021433213370.

The previous prime is 131021433213331. The next prime is 131021433213427. The reversal of 131021433213371 is 173312334120131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131021433213371 - 2²⁶ = 131021366104507 is a prime.

It is a super-2 number, since 2×131021433213371² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131021433213331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65510716606685 + 65510716606686.

It is an arithmetic number, because the mean of its divisors is an integer number (65510716606686).

Almost surely, 2^{131021433213371} is an apocalyptic number.

131021433213371 is a deficient number, since it is larger than the sum of its proper divisors (1).

131021433213371 is an equidigital number, since it uses as much as digits as its factorization.

131021433213371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 131021433213371 in words is "one hundred thirty-one trillion, twenty-one billion, four hundred thirty-three million, two hundred thirteen thousand, three hundred seventy-one".