320311125 has 32 divisors (see below), whose sum is σ = 592225920. Its totient is φ = 170830800.

The previous prime is 320311091. The next prime is 320311129. The reversal of 320311125 is 521113023.

It is not a de Polignac number, because 320311125 - 2¹⁰ = 320310101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320311098 and 320311107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320311129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44079 + ... + 50828.

It is an arithmetic number, because the mean of its divisors is an integer number (18507060).

Almost surely, 2^320311125 is an apocalyptic number.

It is an amenable number.

320311125 is a deficient number, since it is larger than the sum of its proper divisors (271914795).

320311125 is an equidigital number, since it uses as much as digits as its factorization.

320311125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94931 (or 94915 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 320311125 is about 17897.2379153879. The cubic root of 320311125 is about 684.2119803120.

Adding to 320311125 its reverse (521113023), we get a palindrome (841424148).

The spelling of 320311125 in words is "three hundred twenty million, three hundred eleven thousand, one hundred twenty-five".