131020443023131 has 2 divisors, whose sum is σ = 131020443023132. Its totient is φ = 131020443023130.

The previous prime is 131020443023111. The next prime is 131020443023137. The reversal of 131020443023131 is 131320344020131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131020443023131 is a prime.

It is a super-2 number, since 2×131020443023131² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131020443023131.

It is not a weakly prime, because it can be changed into another prime (131020443023137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65510221511565 + 65510221511566.

It is an arithmetic number, because the mean of its divisors is an integer number (65510221511566).

Almost surely, 2^{131020443023131} is an apocalyptic number.

131020443023131 is a deficient number, since it is larger than the sum of its proper divisors (1).

131020443023131 is an equidigital number, since it uses as much as digits as its factorization.

131020443023131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 131020443023131 its reverse (131320344020131), we get a palindrome (262340787043262).

The spelling of 131020443023131 in words is "one hundred thirty-one trillion, twenty billion, four hundred forty-three million, twenty-three thousand, one hundred thirty-one".