321106343 has 6 divisors (see below), whose sum is σ = 322250256. Its totient is φ = 319966452.

The previous prime is 321106307. The next prime is 321106349. The reversal of 321106343 is 343601123.

It is not a de Polignac number, because 321106343 - 2⁸ = 321106087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321106349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92546 + ... + 95952.

It is an arithmetic number, because the mean of its divisors is an integer number (53708376).

Almost surely, 2^321106343 is an apocalyptic number.

321106343 is a deficient number, since it is larger than the sum of its proper divisors (1143913).

321106343 is an frugal number, since it uses more digits than its factorization.

321106343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021 (or 3714 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 321106343 is about 17919.4403651453. The cubic root of 321106343 is about 684.7777302901. Note that the first 4 decimals are identical.

Adding to 321106343 its reverse (343601123), we get a palindrome (664707466).

The spelling of 321106343 in words is "three hundred twenty-one million, one hundred six thousand, three hundred forty-three".