321113201 has 8 divisors (see below), whose sum is σ = 332699880. Its totient is φ = 309560832.

The previous prime is 321113183. The next prime is 321113209. The reversal of 321113201 is 102311123.

It can be written as a sum of positive squares in 4 ways, for example, as 93103201 + 228010000 = 9649^2 + 15100^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321113201 - 2⁶ = 321113137 is a prime.

It is a super-3 number, since 3×321113201³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321113209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11291 + ... + 27743.

It is an arithmetic number, because the mean of its divisors is an integer number (41587485).

Almost surely, 2^321113201 is an apocalyptic number.

It is an amenable number.

321113201 is a deficient number, since it is larger than the sum of its proper divisors (11586679).

321113201 is a wasteful number, since it uses less digits than its factorization.

321113201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17155.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 321113201 is about 17919.6317205460. The cubic root of 321113201 is about 684.7826052818.

Adding to 321113201 its reverse (102311123), we get a palindrome (423424324).

The spelling of 321113201 in words is "three hundred twenty-one million, one hundred thirteen thousand, two hundred one".