323131020010121 has 2 divisors, whose sum is σ = 323131020010122. Its totient is φ = 323131020010120.

The previous prime is 323131020010039. The next prime is 323131020010189. The reversal of 323131020010121 is 121010020131323.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319552627321225 + 3578392688896 = 17876035^2 + 1891664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323131020010121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 323131020010093 and 323131020010102.

It is not a weakly prime, because it can be changed into another prime (323131020010921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161565510005060 + 161565510005061.

It is an arithmetic number, because the mean of its divisors is an integer number (161565510005061).

Almost surely, 2^{323131020010121} is an apocalyptic number.

It is an amenable number.

323131020010121 is a deficient number, since it is larger than the sum of its proper divisors (1).

323131020010121 is an equidigital number, since it uses as much as digits as its factorization.

323131020010121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 323131020010121 its reverse (121010020131323), we get a palindrome (444141040141444).

The spelling of 323131020010121 in words is "three hundred twenty-three trillion, one hundred thirty-one billion, twenty million, ten thousand, one hundred twenty-one".