321204114213403 has 2 divisors, whose sum is σ = 321204114213404. Its totient is φ = 321204114213402.

The previous prime is 321204114213401. The next prime is 321204114213407. The reversal of 321204114213403 is 304312411402123.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (304312411402123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321204114213403 - 2¹ = 321204114213401 is a prime.

Together with 321204114213401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (321204114213401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160602057106701 + 160602057106702.

It is an arithmetic number, because the mean of its divisors is an integer number (160602057106702).

Almost surely, 2^{321204114213403} is an apocalyptic number.

321204114213403 is a deficient number, since it is larger than the sum of its proper divisors (1).

321204114213403 is an equidigital number, since it uses as much as digits as its factorization.

321204114213403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 321204114213403 its reverse (304312411402123), we get a palindrome (625516525615526).

The spelling of 321204114213403 in words is "three hundred twenty-one trillion, two hundred four billion, one hundred fourteen million, two hundred thirteen thousand, four hundred three".