320320133 has 8 divisors (see below), whose sum is σ = 366197952. Its totient is φ = 274471776.

The previous prime is 320320127. The next prime is 320320139. The reversal of 320320133 is 331023023.

It is an interprime number because it is at equal distance from previous prime (320320127) and next prime (320320139).

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

It is a cyclic number.

It is not a de Polignac number, because 320320133 - 2¹² = 320316037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320320139) 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, 26066 + ... + 36332.

It is an arithmetic number, because the mean of its divisors is an integer number (45774744).

Almost surely, 2^320320133 is an apocalyptic number.

It is an amenable number.

320320133 is a deficient number, since it is larger than the sum of its proper divisors (45877819).

320320133 is a wasteful number, since it uses less digits than its factorization.

320320133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14731.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 320320133 is about 17897.4895725630. The cubic root of 320320133 is about 684.2183942049.

Adding to 320320133 its reverse (331023023), we get a palindrome (651343156).

The spelling of 320320133 in words is "three hundred twenty million, three hundred twenty thousand, one hundred thirty-three".