320230311 has 8 divisors (see below), whose sum is σ = 445537920. Its totient is φ = 204204792.

The previous prime is 320230303. The next prime is 320230327. The reversal of 320230311 is 113032023.

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

It is not a de Polignac number, because 320230311 - 2³ = 320230303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320030311) 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, 2320441 + ... + 2320578.

It is an arithmetic number, because the mean of its divisors is an integer number (55692240).

Almost surely, 2^320230311 is an apocalyptic number.

320230311 is a deficient number, since it is larger than the sum of its proper divisors (125307609).

320230311 is a wasteful number, since it uses less digits than its factorization.

320230311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641045.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 320230311 is about 17894.9800502823. The cubic root of 320230311 is about 684.1544335983.

Adding to 320230311 its reverse (113032023), we get a palindrome (433262334).

The spelling of 320230311 in words is "three hundred twenty million, two hundred thirty thousand, three hundred eleven".