320110997 has 8 divisors (see below), whose sum is σ = 325098144. Its totient is φ = 315150928.

The previous prime is 320110957. The next prime is 320111021. The reversal of 320110997 is 799011023.

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 320110997 - 2⁶ = 320110933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320110957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17738 + ... + 30900.

It is an arithmetic number, because the mean of its divisors is an integer number (40637268).

Almost surely, 2^320110997 is an apocalyptic number.

It is an amenable number.

320110997 is a deficient number, since it is larger than the sum of its proper divisors (4987147).

320110997 is a wasteful number, since it uses less digits than its factorization.

320110997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13539.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 320110997 is about 17891.6460114770. The cubic root of 320110997 is about 684.0694537786.

The spelling of 320110997 in words is "three hundred twenty million, one hundred ten thousand, nine hundred ninety-seven".