11311312112 has 10 divisors (see below), whose sum is σ = 21915667248. Its totient is φ = 5655656048.

The previous prime is 11311312109. The next prime is 11311312141. The reversal of 11311312112 is 21121311311.

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, 353478488 + ... + 353478519.

Almost surely, 2^11311312112 is an apocalyptic number.

It is an amenable number.

11311312112 is a deficient number, since it is larger than the sum of its proper divisors (10604355136).

11311312112 is an equidigital number, since it uses as much as digits as its factorization.

11311312112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706957015 (or 706957009 counting only the distinct ones).

The product of its digits is 36, while the sum is 17.

Adding to 11311312112 its reverse (21121311311), we get a palindrome (32432623423).

The spelling of 11311312112 in words is "eleven billion, three hundred eleven million, three hundred twelve thousand, one hundred twelve".