11312013112 has 32 divisors (see below), whose sum is σ = 22463269920. Its totient is φ = 5321973760.

The previous prime is 11312013101. The next prime is 11312013169. The reversal of 11312013112 is 21131021311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732333 + ... + 747619.

It is an arithmetic number, because the mean of its divisors is an integer number (701977185).

Almost surely, 2^11312013112 is an apocalyptic number.

It is an amenable number.

11312013112 is a deficient number, since it is larger than the sum of its proper divisors (11151256808).

11312013112 is a wasteful number, since it uses less digits than its factorization.

11312013112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20751 (or 20747 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11312013112 its reverse (21131021311), we get a palindrome (32443034423).

The spelling of 11312013112 in words is "eleven billion, three hundred twelve million, thirteen thousand, one hundred twelve".