321142211213 has 2 divisors, whose sum is σ = 321142211214. Its totient is φ = 321142211212.

The previous prime is 321142211209. The next prime is 321142211227. The reversal of 321142211213 is 312112241123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179113475524 + 142028735689 = 423218^2 + 376867^2 .

It is an emirp because it is prime and its reverse (312112241123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321142211213 - 2² = 321142211209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321142211413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160571105606 + 160571105607.

It is an arithmetic number, because the mean of its divisors is an integer number (160571105607).

Almost surely, 2^321142211213 is an apocalyptic number.

It is an amenable number.

321142211213 is a deficient number, since it is larger than the sum of its proper divisors (1).

321142211213 is an equidigital number, since it uses as much as digits as its factorization.

321142211213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

Adding to 321142211213 its reverse (312112241123), we get a palindrome (633254452336).

The spelling of 321142211213 in words is "three hundred twenty-one billion, one hundred forty-two million, two hundred eleven thousand, two hundred thirteen".