320152111 has 4 divisors (see below), whose sum is σ = 334071792. Its totient is φ = 306232432.

The previous prime is 320152103. The next prime is 320152117. The reversal of 320152111 is 111251023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320152111 - 2³ = 320152103 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 (320152117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6959806 + ... + 6959851.

It is an arithmetic number, because the mean of its divisors is an integer number (83517948).

Almost surely, 2^320152111 is an apocalyptic number.

320152111 is a deficient number, since it is larger than the sum of its proper divisors (13919681).

320152111 is a wasteful number, since it uses less digits than its factorization.

320152111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13919680.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 320152111 is about 17892.7949465700. The cubic root of 320152111 is about 684.0987390659.

The spelling of 320152111 in words is "three hundred twenty million, one hundred fifty-two thousand, one hundred eleven".