106431328 has 24 divisors (see below), whose sum is σ = 212194080. Its totient is φ = 52540800.

The previous prime is 106431323. The next prime is 106431329. The reversal of 106431328 is 823134601.

It is a super-3 number, since 3×106431328³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 106431296 and 106431305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106431323) 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, 18523 + ... + 23578.

It is an arithmetic number, because the mean of its divisors is an integer number (8841420).

Almost surely, 2^106431328 is an apocalyptic number.

It is an amenable number.

106431328 is a deficient number, since it is larger than the sum of its proper divisors (105762752).

106431328 is an equidigital number, since it uses as much as digits as its factorization.

106431328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42190 (or 42182 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 106431328 is about 10316.5560144847. The cubic root of 106431328 is about 473.9034027254.

Adding to 106431328 its reverse (823134601), we get a palindrome (929565929).

The spelling of 106431328 in words is "one hundred six million, four hundred thirty-one thousand, three hundred twenty-eight".