11013031012 has 12 divisors (see below), whose sum is σ = 19588752316. Its totient is φ = 5416244640.

The previous prime is 11013030997. The next prime is 11013031013. The reversal of 11013031012 is 21013031011.

It can be written as a sum of positive squares in 2 ways, for example, as 2509609216 + 8503421796 = 50096^2 + 92214^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11013030983 and 11013031001.

It is not an unprimeable number, because it can be changed into a prime (11013031013) 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, 22567443 + ... + 22567930.

Almost surely, 2^11013031012 is an apocalyptic number.

It is an amenable number.

11013031012 is a deficient number, since it is larger than the sum of its proper divisors (8575721304).

11013031012 is a wasteful number, since it uses less digits than its factorization.

11013031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45135438 (or 45135436 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11013031012 its reverse (21013031011), we get a palindrome (32026062023).

Subtracting 11013031012 from its reverse (21013031011), we obtain a palindrome (9999999999).

The spelling of 11013031012 in words is "eleven billion, thirteen million, thirty-one thousand, twelve".