320235313 has 8 divisors (see below), whose sum is σ = 331488000. Its totient is φ = 308996688.

The previous prime is 320235287. The next prime is 320235323. The reversal of 320235313 is 313532023.

It is a happy number.

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 320235313 - 2⁵ = 320235281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320235323) 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, 67270 + ... + 71872.

It is an arithmetic number, because the mean of its divisors is an integer number (41436000).

Almost surely, 2^320235313 is an apocalyptic number.

It is an amenable number.

320235313 is a deficient number, since it is larger than the sum of its proper divisors (11252687).

320235313 is a wasteful number, since it uses less digits than its factorization.

320235313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7031.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 320235313 is about 17895.1198096017. The cubic root of 320235313 is about 684.1579957456.

Adding to 320235313 its reverse (313532023), we get a palindrome (633767336).

The spelling of 320235313 in words is "three hundred twenty million, two hundred thirty-five thousand, three hundred thirteen".