320112973 has 2 divisors, whose sum is σ = 320112974. Its totient is φ = 320112972.

The previous prime is 320112971. The next prime is 320113021. The reversal of 320112973 is 379211023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318158569 + 1954404 = 17837^2 + 1398^2 .

It is a cyclic number.

It is not a de Polignac number, because 320112973 - 2¹ = 320112971 is a prime.

It is a super-3 number, since 3×320112973³ (a number of 26 digits) contains 333 as substring.

Together with 320112971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320112971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160056486 + 160056487.

It is an arithmetic number, because the mean of its divisors is an integer number (160056487).

Almost surely, 2^320112973 is an apocalyptic number.

It is an amenable number.

320112973 is a deficient number, since it is larger than the sum of its proper divisors (1).

320112973 is an equidigital number, since it uses as much as digits as its factorization.

320112973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 320112973 is about 17891.7012326944. The cubic root of 320112973 is about 684.0708613305.

Adding to 320112973 its reverse (379211023), we get a palindrome (699323996).

The spelling of 320112973 in words is "three hundred twenty million, one hundred twelve thousand, nine hundred seventy-three".