320151 has 8 divisors (see below), whose sum is σ = 459760. Its totient is φ = 196992.

The previous prime is 320149. The next prime is 320153. The reversal of 320151 is 151023.

It is an interprime number because it is at equal distance from previous prime (320149) and next prime (320153).

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

It is not a de Polignac number, because 320151 - 2¹ = 320149 is a prime.

It is a Duffinian number.

320151 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320151.

It is not an unprimeable number, because it can be changed into a prime (320153) 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, 4066 + ... + 4143.

It is an arithmetic number, because the mean of its divisors is an integer number (57470).

2³²⁰¹⁵¹ is an apocalyptic number.

320151 is a deficient number, since it is larger than the sum of its proper divisors (139609).

320151 is a wasteful number, since it uses less digits than its factorization.

320151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8225.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 320151 is about 565.8188756130. The cubic root of 320151 is about 68.4097947739.

Adding to 320151 its reverse (151023), we get a palindrome (471174).

The spelling of 320151 in words is "three hundred twenty thousand, one hundred fifty-one".