11031310112 has 12 divisors (see below), whose sum is σ = 21717891846. Its totient is φ = 5515655040.

The previous prime is 11031310109. The next prime is 11031310127. The reversal of 11031310112 is 21101313011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10965440656 + 65869456 = 104716^2 + 8116^2 .

It is a super-2 number, since 2×11031310112² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 172364189 + ... + 172364252.

Almost surely, 2^11031310112 is an apocalyptic number.

It is an amenable number.

11031310112 is a deficient number, since it is larger than the sum of its proper divisors (10686581734).

11031310112 is an equidigital number, since it uses as much as digits as its factorization.

11031310112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344728451 (or 344728443 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11031310112 its reverse (21101313011), we get a palindrome (32132623123).

The spelling of 11031310112 in words is "eleven billion, thirty-one million, three hundred ten thousand, one hundred twelve".