320213433 has 8 divisors (see below), whose sum is σ = 428176000. Its totient is φ = 212863248.

The previous prime is 320213431. The next prime is 320213437. The reversal of 320213433 is 334312023.

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

It is not a de Polignac number, because 320213433 - 2¹ = 320213431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320213431) 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 7 ways as a sum of consecutive naturals, for example, 151873 + ... + 153966.

It is an arithmetic number, because the mean of its divisors is an integer number (53522000).

Almost surely, 2^320213433 is an apocalyptic number.

It is an amenable number.

320213433 is a deficient number, since it is larger than the sum of its proper divisors (107962567).

320213433 is a wasteful number, since it uses less digits than its factorization.

320213433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306191.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 320213433 is about 17894.5084593011. The cubic root of 320213433 is about 684.1424137478.

Adding to 320213433 its reverse (334312023), we get a palindrome (654525456).

The spelling of 320213433 in words is "three hundred twenty million, two hundred thirteen thousand, four hundred thirty-three".