11311103312 has 10 divisors (see below), whose sum is σ = 21915262698. Its totient is φ = 5655551648.

The previous prime is 11311103273. The next prime is 11311103327. The reversal of 11311103312 is 21330111311.

It can be written as a sum of positive squares in only one way, i.e., 7195110976 + 4115992336 = 84824^2 + 64156^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353471963 + ... + 353471994.

Almost surely, 2^11311103312 is an apocalyptic number.

It is an amenable number.

11311103312 is a deficient number, since it is larger than the sum of its proper divisors (10604159386).

11311103312 is an equidigital number, since it uses as much as digits as its factorization.

11311103312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706943965 (or 706943959 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11311103312 its reverse (21330111311), we get a palindrome (32641214623).

The spelling of 11311103312 in words is "eleven billion, three hundred eleven million, one hundred three thousand, three hundred twelve".