321153013369 has 2 divisors, whose sum is σ = 321153013370. Its totient is φ = 321153013368.

The previous prime is 321153013361. The next prime is 321153013459. The reversal of 321153013369 is 963310351123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241854453369 + 79298560000 = 491787^2 + 281600^2 .

It is an emirp because it is prime and its reverse (963310351123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321153013369 - 2³ = 321153013361 is a prime.

It is a super-2 number, since 2×321153013369² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321153013361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160576506684 + 160576506685.

It is an arithmetic number, because the mean of its divisors is an integer number (160576506685).

Almost surely, 2^321153013369 is an apocalyptic number.

It is an amenable number.

321153013369 is a deficient number, since it is larger than the sum of its proper divisors (1).

321153013369 is an equidigital number, since it uses as much as digits as its factorization.

321153013369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 37.

The spelling of 321153013369 in words is "three hundred twenty-one billion, one hundred fifty-three million, thirteen thousand, three hundred sixty-nine".