321213141142141 has 4 divisors (see below), whose sum is σ = 321252949446300. Its totient is φ = 321173332837984.

The previous prime is 321213141142133. The next prime is 321213141142177. The reversal of 321213141142141 is 141241141312123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2488888019641 + 318724253122500 = 1577621^2 + 17852850^2 .

It is a cyclic number.

It is not a de Polignac number, because 321213141142141 - 2³ = 321213141142133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321213141112141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19904139976 + ... + 19904156113.

It is an arithmetic number, because the mean of its divisors is an integer number (80313237361575).

Almost surely, 2^{321213141142141} is an apocalyptic number.

It is an amenable number.

321213141142141 is a deficient number, since it is larger than the sum of its proper divisors (39808304159).

321213141142141 is an equidigital number, since it uses as much as digits as its factorization.

321213141142141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39808304158.

The product of its digits is 4608, while the sum is 31.

Adding to 321213141142141 its reverse (141241141312123), we get a palindrome (462454282454264).

The spelling of 321213141142141 in words is "three hundred twenty-one trillion, two hundred thirteen billion, one hundred forty-one million, one hundred forty-two thousand, one hundred forty-one".