321201301 has 2 divisors, whose sum is σ = 321201302. Its totient is φ = 321201300.

The previous prime is 321201299. The next prime is 321201317. The reversal of 321201301 is 103102123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216855076 + 104346225 = 14726^2 + 10215^2 .

It is a cyclic number.

It is not a de Polignac number, because 321201301 - 2¹ = 321201299 is a prime.

Together with 321201299, 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 (321205301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160600650 + 160600651.

It is an arithmetic number, because the mean of its divisors is an integer number (160600651).

Almost surely, 2^321201301 is an apocalyptic number.

It is an amenable number.

321201301 is a deficient number, since it is larger than the sum of its proper divisors (1).

321201301 is an equidigital number, since it uses as much as digits as its factorization.

321201301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 321201301 is about 17922.0897498032. The cubic root of 321201301 is about 684.8452247681.

Adding to 321201301 its reverse (103102123), we get a palindrome (424303424).

The spelling of 321201301 in words is "three hundred twenty-one million, two hundred one thousand, three hundred one".