11031216 has 40 divisors (see below), whose sum is σ = 32569344. Its totient is φ = 3151680.

The previous prime is 11031193. The next prime is 11031221. The reversal of 11031216 is 61213011.

It is a junction number, because it is equal to n+sod(n) for n = 11031195 and 11031204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16080 + ... + 16751.

Almost surely, 2^11031216 is an apocalyptic number.

11031216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11031216 is an abundant number, since it is smaller than the sum of its proper divisors (21538128).

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

11031216 is a wasteful number, since it uses less digits than its factorization.

11031216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32849 (or 32843 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 11031216 is about 3321.3274454651. The cubic root of 11031216 is about 222.6081854059.

Adding to 11031216 its reverse (61213011), we get a palindrome (72244227).

The spelling of 11031216 in words is "eleven million, thirty-one thousand, two hundred sixteen".