1113103312 has 20 divisors (see below), whose sum is σ = 2157441156. Its totient is φ = 556344320.

The previous prime is 1113103307. The next prime is 1113103319. The reversal of 1113103312 is 2133013111.

It can be written as a sum of positive squares in 2 ways, for example, as 1047428496 + 65674816 = 32364^2 + 8104^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113103319) 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, 37218 + ... + 60094.

Almost surely, 2^1113103312 is an apocalyptic number.

It is an amenable number.

1113103312 is a deficient number, since it is larger than the sum of its proper divisors (1044337844).

1113103312 is a wasteful number, since it uses less digits than its factorization.

1113103312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25926 (or 25920 counting only the distinct ones).

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

The square root of 1113103312 is about 33363.2029637444. The cubic root of 1113103312 is about 1036.3628221899.

Adding to 1113103312 its reverse (2133013111), we get a palindrome (3246116423).

The spelling of 1113103312 in words is "one billion, one hundred thirteen million, one hundred three thousand, three hundred twelve".