321104320241 has 2 divisors, whose sum is σ = 321104320242. Its totient is φ = 321104320240.

The previous prime is 321104320237. The next prime is 321104320247. The reversal of 321104320241 is 142023401123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272651065600 + 48453254641 = 522160^2 + 220121^2 .

It is a cyclic number.

It is not a de Polignac number, because 321104320241 - 2² = 321104320237 is a prime.

It is not a weakly prime, because it can be changed into another prime (321104320247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160552160120 + 160552160121.

It is an arithmetic number, because the mean of its divisors is an integer number (160552160121).

Almost surely, 2^321104320241 is an apocalyptic number.

It is an amenable number.

321104320241 is a deficient number, since it is larger than the sum of its proper divisors (1).

321104320241 is an equidigital number, since it uses as much as digits as its factorization.

321104320241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 321104320241 its reverse (142023401123), we get a palindrome (463127721364).

The spelling of 321104320241 in words is "three hundred twenty-one billion, one hundred four million, three hundred twenty thousand, two hundred forty-one".