321011201 has 6 divisors (see below), whose sum is σ = 373421250. Its totient is φ = 275152416.

The previous prime is 321011189. The next prime is 321011227. The reversal of 321011201 is 102110123.

It can be written as a sum of positive squares in only one way, i.e., 266472976 + 54538225 = 16324^2 + 7385^2 .

It is a de Polignac number, because none of the positive numbers 2^k-321011201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321011281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3275576 + ... + 3275673.

It is an arithmetic number, because the mean of its divisors is an integer number (62236875).

Almost surely, 2^321011201 is an apocalyptic number.

It is an amenable number.

321011201 is a deficient number, since it is larger than the sum of its proper divisors (52410049).

321011201 is an equidigital number, since it uses as much as digits as its factorization.

321011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6551263 (or 6551256 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 321011201 is about 17916.7854538698. The cubic root of 321011201 is about 684.7100916818.

Adding to 321011201 its reverse (102110123), we get a palindrome (423121324).

The spelling of 321011201 in words is "three hundred twenty-one million, eleven thousand, two hundred one".