131320122011329 has 2 divisors, whose sum is σ = 131320122011330. Its totient is φ = 131320122011328.

The previous prime is 131320122011293. The next prime is 131320122011339. The reversal of 131320122011329 is 923110221023131.

It is a happy number.

Together with previous prime (131320122011293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122456687980225 + 8863434031104 = 11066015^2 + 2977152^2 .

It is a cyclic number.

It is not a de Polignac number, because 131320122011329 - 2⁷ = 131320122011201 is a prime.

It is a super-4 number, since 4×131320122011329⁴ (a number of 58 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131320122011329.

It is not a weakly prime, because it can be changed into another prime (131320122011339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65660061005664 + 65660061005665.

It is an arithmetic number, because the mean of its divisors is an integer number (65660061005665).

Almost surely, 2^{131320122011329} is an apocalyptic number.

It is an amenable number.

131320122011329 is a deficient number, since it is larger than the sum of its proper divisors (1).

131320122011329 is an equidigital number, since it uses as much as digits as its factorization.

131320122011329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 131320122011329 in words is "one hundred thirty-one trillion, three hundred twenty billion, one hundred twenty-two million, eleven thousand, three hundred twenty-nine".