20310326551129 has 2 divisors, whose sum is σ = 20310326551130. Its totient is φ = 20310326551128.

The previous prime is 20310326551111. The next prime is 20310326551201. The reversal of 20310326551129 is 92115562301302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11670606915529 + 8639719635600 = 3416227^2 + 2939340^2 .

It is a cyclic number.

It is not a de Polignac number, because 20310326551129 - 2⁹ = 20310326550617 is a prime.

It is a super-2 number, since 2×20310326551129² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20310326551091 and 20310326551100.

It is not a weakly prime, because it can be changed into another prime (20310326551429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155163275564 + 10155163275565.

It is an arithmetic number, because the mean of its divisors is an integer number (10155163275565).

Almost surely, 2^{20310326551129} is an apocalyptic number.

It is an amenable number.

20310326551129 is a deficient number, since it is larger than the sum of its proper divisors (1).

20310326551129 is an equidigital number, since it uses as much as digits as its factorization.

20310326551129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 20310326551129 in words is "twenty trillion, three hundred ten billion, three hundred twenty-six million, five hundred fifty-one thousand, one hundred twenty-nine".