320117371 has 4 divisors (see below), whose sum is σ = 365848432. Its totient is φ = 274386312.

The previous prime is 320117353. The next prime is 320117407. The reversal of 320117371 is 173711023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 173711023 = 8389 ⋅20707.

It is a cyclic number.

It is not a de Polignac number, because 320117371 - 2¹⁹ = 319593083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320117321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22865520 + ... + 22865533.

It is an arithmetic number, because the mean of its divisors is an integer number (91462108).

Almost surely, 2^320117371 is an apocalyptic number.

320117371 is a deficient number, since it is larger than the sum of its proper divisors (45731061).

320117371 is an equidigital number, since it uses as much as digits as its factorization.

320117371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45731060.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 320117371 is about 17891.8241384158. The cubic root of 320117371 is about 684.0739941097.

Adding to 320117371 its reverse (173711023), we get a palindrome (493828394).

The spelling of 320117371 in words is "three hundred twenty million, one hundred seventeen thousand, three hundred seventy-one".