320411109 has 4 divisors (see below), whose sum is σ = 427214816. Its totient is φ = 213607404.

The previous prime is 320411107. The next prime is 320411141. The reversal of 320411109 is 901114023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 320411109 - 2¹ = 320411107 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 (320411107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53401849 + ... + 53401854.

It is an arithmetic number, because the mean of its divisors is an integer number (106803704).

Almost surely, 2^320411109 is an apocalyptic number.

It is an amenable number.

320411109 is a deficient number, since it is larger than the sum of its proper divisors (106803707).

320411109 is a wasteful number, since it uses less digits than its factorization.

320411109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106803706.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 320411109 is about 17900.0309776268. The cubic root of 320411109 is about 684.2831643666.

The spelling of 320411109 in words is "three hundred twenty million, four hundred eleven thousand, one hundred nine".