321312341 has 16 divisors (see below), whose sum is σ = 375473664. Its totient is φ = 269253504.

The previous prime is 321312331. The next prime is 321312349. The reversal of 321312341 is 143213123.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321312341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321312349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114740 + ... + 117506.

It is an arithmetic number, because the mean of its divisors is an integer number (23467104).

Almost surely, 2^321312341 is an apocalyptic number.

It is an amenable number.

321312341 is a deficient number, since it is larger than the sum of its proper divisors (54161323).

321312341 is a wasteful number, since it uses less digits than its factorization.

321312341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140.

The product of its digits is 432, while the sum is 20.

The square root of 321312341 is about 17925.1873351438. The cubic root of 321312341 is about 684.9241331787.

Adding to 321312341 its reverse (143213123), we get a palindrome (464525464).

The spelling of 321312341 in words is "three hundred twenty-one million, three hundred twelve thousand, three hundred forty-one".