322131349 has 2 divisors, whose sum is σ = 322131350. Its totient is φ = 322131348.

The previous prime is 322131347. The next prime is 322131389. The reversal of 322131349 is 943131223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197964900 + 124166449 = 14070^2 + 11143^2 .

It is an emirp because it is prime and its reverse (943131223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 322131349 - 2¹ = 322131347 is a prime.

Together with 322131347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322131343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161065674 + 161065675.

It is an arithmetic number, because the mean of its divisors is an integer number (161065675).

Almost surely, 2^322131349 is an apocalyptic number.

It is an amenable number.

322131349 is a deficient number, since it is larger than the sum of its proper divisors (1).

322131349 is an equidigital number, since it uses as much as digits as its factorization.

322131349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 322131349 is about 17948.0179685669. The cubic root of 322131349 is about 685.5055844429.

The spelling of 322131349 in words is "three hundred twenty-two million, one hundred thirty-one thousand, three hundred forty-nine".