321113333201 has 2 divisors, whose sum is σ = 321113333202. Its totient is φ = 321113333200.

The previous prime is 321113333171. The next prime is 321113333207. The reversal of 321113333201 is 102333311123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318828493201 + 2284840000 = 564649^2 + 47800^2 .

It is a cyclic number.

It is not a de Polignac number, because 321113333201 - 2³⁴ = 303933464017 is a prime.

It is a super-3 number, since 3×321113333201³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (321113333207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160556666600 + 160556666601.

It is an arithmetic number, because the mean of its divisors is an integer number (160556666601).

Almost surely, 2^321113333201 is an apocalyptic number.

It is an amenable number.

321113333201 is a deficient number, since it is larger than the sum of its proper divisors (1).

321113333201 is an equidigital number, since it uses as much as digits as its factorization.

321113333201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 321113333201 its reverse (102333311123), we get a palindrome (423446644324).

The spelling of 321113333201 in words is "three hundred twenty-one billion, one hundred thirteen million, three hundred thirty-three thousand, two hundred one".