323210131021121 has 2 divisors, whose sum is σ = 323210131021122. Its totient is φ = 323210131021120.

The previous prime is 323210131021109. The next prime is 323210131021139. The reversal of 323210131021121 is 121120131012323.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272001236851600 + 51208894169521 = 16492460^2 + 7156039^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323210131021121 is a prime.

It is not a weakly prime, because it can be changed into another prime (323210133021121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161605065510560 + 161605065510561.

It is an arithmetic number, because the mean of its divisors is an integer number (161605065510561).

Almost surely, 2^{323210131021121} is an apocalyptic number.

It is an amenable number.

323210131021121 is a deficient number, since it is larger than the sum of its proper divisors (1).

323210131021121 is an equidigital number, since it uses as much as digits as its factorization.

323210131021121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 323210131021121 its reverse (121120131012323), we get a palindrome (444330262033444).

The spelling of 323210131021121 in words is "three hundred twenty-three trillion, two hundred ten billion, one hundred thirty-one million, twenty-one thousand, one hundred twenty-one".