11031102312 has 32 divisors (see below), whose sum is σ = 28776790080. Its totient is φ = 3517162880.

The previous prime is 11031102311. The next prime is 11031102317. The reversal of 11031102312 is 21320113011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11031102291 and 11031102300.

It is not an unprimeable number, because it can be changed into a prime (11031102311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9991389 + ... + 9992492.

It is an arithmetic number, because the mean of its divisors is an integer number (899274690).

Almost surely, 2^11031102312 is an apocalyptic number.

11031102312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11031102312 is an abundant number, since it is smaller than the sum of its proper divisors (17745687768).

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

11031102312 is a wasteful number, since it uses less digits than its factorization.

11031102312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19983913 (or 19983909 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11031102312 its reverse (21320113011), we get a palindrome (32351215323).

The spelling of 11031102312 in words is "eleven billion, thirty-one million, one hundred two thousand, three hundred twelve".