320340411 has 24 divisors (see below), whose sum is σ = 475839936. Its totient is φ = 207552240.

The previous prime is 320340407. The next prime is 320340439. The reversal of 320340411 is 114043023.

320340411 is a `hidden beast` number, since 320 + 340 + 4 + 1 + 1 = 666.

It is not a de Polignac number, because 320340411 - 2² = 320340407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320340451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79696 + ... + 83618.

It is an arithmetic number, because the mean of its divisors is an integer number (19826664).

Almost surely, 2^320340411 is an apocalyptic number.

320340411 is a deficient number, since it is larger than the sum of its proper divisors (155499525).

320340411 is a wasteful number, since it uses less digits than its factorization.

320340411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183 (or 4180 counting only the distinct ones).

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

The square root of 320340411 is about 17898.0560676292. The cubic root of 320340411 is about 684.2328321441.

Adding to 320340411 its reverse (114043023), we get a palindrome (434383434).

The spelling of 320340411 in words is "three hundred twenty million, three hundred forty thousand, four hundred eleven".