321340341 has 32 divisors (see below), whose sum is σ = 521434368. Its totient is φ = 171832320.

The previous prime is 321340309. The next prime is 321340343. The reversal of 321340341 is 143043123.

It is not a de Polignac number, because 321340341 - 2⁵ = 321340309 is a prime.

It is a super-3 number, since 3×321340341³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321340343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62131 + ... + 67103.

It is an arithmetic number, because the mean of its divisors is an integer number (16294824).

Almost surely, 2^321340341 is an apocalyptic number.

It is an amenable number.

321340341 is a deficient number, since it is larger than the sum of its proper divisors (200094027).

321340341 is a wasteful number, since it uses less digits than its factorization.

321340341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5181.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 321340341 is about 17925.9683420450. The cubic root of 321340341 is about 684.9440279625.

Adding to 321340341 its reverse (143043123), we get a palindrome (464383464).

The spelling of 321340341 in words is "three hundred twenty-one million, three hundred forty thousand, three hundred forty-one".