321120404331203 has 2 divisors, whose sum is σ = 321120404331204. Its totient is φ = 321120404331202.

The previous prime is 321120404331149. The next prime is 321120404331289. The reversal of 321120404331203 is 302133404021123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321120404331203 - 2⁴⁰ = 320020892703427 is a prime.

It is not a weakly prime, because it can be changed into another prime (321120404333203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160560202165601 + 160560202165602.

It is an arithmetic number, because the mean of its divisors is an integer number (160560202165602).

Almost surely, 2^{321120404331203} is an apocalyptic number.

321120404331203 is a deficient number, since it is larger than the sum of its proper divisors (1).

321120404331203 is an equidigital number, since it uses as much as digits as its factorization.

321120404331203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 321120404331203 its reverse (302133404021123), we get a palindrome (623253808352326).

The spelling of 321120404331203 in words is "three hundred twenty-one trillion, one hundred twenty billion, four hundred four million, three hundred thirty-one thousand, two hundred three".