321343101 has 6 divisors (see below), whose sum is σ = 464162270. Its totient is φ = 214228728.

The previous prime is 321343073. The next prime is 321343151. The reversal of 321343101 is 101343123.

321343101 is a `hidden beast` number, since 321 + 34 + 310 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 319479876 + 1863225 = 17874^2 + 1365^2 .

It is not a de Polignac number, because 321343101 - 2⁶ = 321343037 is a prime.

It is a super-2 number, since 2×321343101² = 206522777120592402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321343151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17852386 + ... + 17852403.

Almost surely, 2^321343101 is an apocalyptic number.

It is an amenable number.

321343101 is a deficient number, since it is larger than the sum of its proper divisors (142819169).

321343101 is a wasteful number, since it uses less digits than its factorization.

321343101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35704795 (or 35704792 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 321343101 is about 17926.0453251686. The cubic root of 321343101 is about 684.9459889572.

Adding to 321343101 its reverse (101343123), we get a palindrome (422686224).

The spelling of 321343101 in words is "three hundred twenty-one million, three hundred forty-three thousand, one hundred one".