11031328 has 96 divisors (see below), whose sum is σ = 28038528. Its totient is φ = 4181760.

The previous prime is 11031313. The next prime is 11031359. The reversal of 11031328 is 82313011.

11031328 = 39³ + 40³ + ... + 82³.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298126 + ... + 298162.

It is an arithmetic number, because the mean of its divisors is an integer number (292068).

Almost surely, 2^11031328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11031328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14019264).

11031328 is an abundant number, since it is smaller than the sum of its proper divisors (17007200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11031328 is an equidigital number, since it uses as much as digits as its factorization.

11031328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 11031328 is about 3321.3443061507. The cubic root of 11031328 is about 222.6089387841.

Adding to 11031328 its reverse (82313011), we get a palindrome (93344339).

The spelling of 11031328 in words is "eleven million, thirty-one thousand, three hundred twenty-eight".