320140341 has 12 divisors (see below), whose sum is σ = 473704140. Its totient is φ = 208221120.

The previous prime is 320140333. The next prime is 320140363. The reversal of 320140341 is 143041023.

320140341 is a `hidden beast` number, since 320 + 1 + 4 + 0 + 341 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 106688241 + 213452100 = 10329^2 + 14610^2 .

It is not a de Polignac number, because 320140341 - 2³ = 320140333 is a prime.

It is a super-3 number, since 3×320140341³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320140321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433426 + ... + 434163.

It is an arithmetic number, because the mean of its divisors is an integer number (39475345).

Almost surely, 2^320140341 is an apocalyptic number.

It is an amenable number.

320140341 is a deficient number, since it is larger than the sum of its proper divisors (153563799).

320140341 is a wasteful number, since it uses less digits than its factorization.

320140341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867636 (or 867633 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 320140341 is about 17892.4660402081. The cubic root of 320140341 is about 684.0903556126.

Adding to 320140341 its reverse (143041023), we get a palindrome (463181364).

The spelling of 320140341 in words is "three hundred twenty million, one hundred forty thousand, three hundred forty-one".