322131000010321 has 2 divisors, whose sum is σ = 322131000010322. Its totient is φ = 322131000010320.

The previous prime is 322131000010319. The next prime is 322131000010381. The reversal of 322131000010321 is 123010000131223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215452344107025 + 106678655903296 = 14678295^2 + 10328536^2 .

It is a cyclic number.

It is not a de Polignac number, because 322131000010321 - 2¹ = 322131000010319 is a prime.

Together with 322131000010319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (322131000010381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161065500005160 + 161065500005161.

It is an arithmetic number, because the mean of its divisors is an integer number (161065500005161).

Almost surely, 2^{322131000010321} is an apocalyptic number.

It is an amenable number.

322131000010321 is a deficient number, since it is larger than the sum of its proper divisors (1).

322131000010321 is an equidigital number, since it uses as much as digits as its factorization.

322131000010321 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 19.

Adding to 322131000010321 its reverse (123010000131223), we get a palindrome (445141000141544).

The spelling of 322131000010321 in words is "three hundred twenty-two trillion, one hundred thirty-one billion, ten thousand, three hundred twenty-one".