11013031312 has 20 divisors (see below), whose sum is σ = 21366489600. Its totient is φ = 5499098528.

The previous prime is 11013031291. The next prime is 11013031319. The reversal of 11013031312 is 21313031011.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (11013031319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451312 + ... + 475087.

It is an arithmetic number, because the mean of its divisors is an integer number (1068324480).

Almost surely, 2^11013031312 is an apocalyptic number.

It is an amenable number.

11013031312 is a deficient number, since it is larger than the sum of its proper divisors (10353458288).

11013031312 is an equidigital number, since it uses as much as digits as its factorization.

11013031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927150 (or 927144 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11013031312 its reverse (21313031011), we get a palindrome (32326062323).

The spelling of 11013031312 in words is "eleven billion, thirteen million, thirty-one thousand, three hundred twelve".