320133153 has 16 divisors (see below), whose sum is σ = 430692416. Its totient is φ = 211507200.

The previous prime is 320133133. The next prime is 320133157. The reversal of 320133153 is 351331023.

It is not a de Polignac number, because 320133153 - 2⁹ = 320132641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320133157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176853 + ... + 178653.

It is an arithmetic number, because the mean of its divisors is an integer number (26918276).

Almost surely, 2^320133153 is an apocalyptic number.

It is an amenable number.

320133153 is a deficient number, since it is larger than the sum of its proper divisors (110559263).

320133153 is a wasteful number, since it uses less digits than its factorization.

320133153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 320133153 is about 17892.2651724146. The cubic root of 320133153 is about 684.0852356931.

Adding to 320133153 its reverse (351331023), we get a palindrome (671464176).

The spelling of 320133153 in words is "three hundred twenty million, one hundred thirty-three thousand, one hundred fifty-three".