320612271 has 16 divisors (see below), whose sum is σ = 488968704. Its totient is φ = 183050784.

The previous prime is 320612233. The next prime is 320612287. The reversal of 320612271 is 172216023.

It is not a de Polignac number, because 320612271 - 2¹³ = 320604079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320612471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21505 + ... + 33221.

It is an arithmetic number, because the mean of its divisors is an integer number (30560544).

Almost surely, 2^320612271 is an apocalyptic number.

320612271 is a deficient number, since it is larger than the sum of its proper divisors (168356433).

320612271 is a wasteful number, since it uses less digits than its factorization.

320612271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13030.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 320612271 is about 17905.6491365155. The cubic root of 320612271 is about 684.4263376930.

Adding to 320612271 its reverse (172216023), we get a palindrome (492828294).

The spelling of 320612271 in words is "three hundred twenty million, six hundred twelve thousand, two hundred seventy-one".