320240111 has 8 divisors (see below), whose sum is σ = 323136000. Its totient is φ = 317351320.

The previous prime is 320240099. The next prime is 320240119. The reversal of 320240111 is 111042023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320240111 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 (320240119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132290 + ... + 134688.

It is an arithmetic number, because the mean of its divisors is an integer number (40392000).

Almost surely, 2^320240111 is an apocalyptic number.

320240111 is a deficient number, since it is larger than the sum of its proper divisors (2895889).

320240111 is a wasteful number, since it uses less digits than its factorization.

320240111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 320240111 is about 17895.2538679953. The cubic root of 320240111 is about 684.1614125806.

Adding to 320240111 its reverse (111042023), we get a palindrome (431282134).

The spelling of 320240111 in words is "three hundred twenty million, two hundred forty thousand, one hundred eleven".