11311003312 has 40 divisors (see below), whose sum is σ = 26519079456. Its totient is φ = 4562420736.

The previous prime is 11311003279. The next prime is 11311003331. The reversal of 11311003312 is 21330011311.

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

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 in 7 ways as a sum of consecutive naturals, for example, 2968423 + ... + 2972230.

Almost surely, 2^11311003312 is an apocalyptic number.

It is an amenable number.

11311003312 is an abundant number, since it is smaller than the sum of its proper divisors (15208076144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11311003312 is a wasteful number, since it uses less digits than its factorization.

11311003312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5940685 (or 5940679 counting only the distinct ones).

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

Adding to 11311003312 its reverse (21330011311), we get a palindrome (32641014623).

The spelling of 11311003312 in words is "eleven billion, three hundred eleven million, three thousand, three hundred twelve".