1111320312 has 32 divisors (see below), whose sum is σ = 2780483280. Its totient is φ = 370149120.

The previous prime is 1111320269. The next prime is 1111320313. The reversal of 1111320312 is 2130231111.

It is a happy number.

1111320312 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1111320291 and 1111320300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111320313) 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, 14178 + ... + 49230.

Almost surely, 2^1111320312 is an apocalyptic number.

1111320312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111320312 is an abundant number, since it is smaller than the sum of its proper divisors (1669162968).

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

1111320312 is a wasteful number, since it uses less digits than its factorization.

1111320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36383 (or 36379 counting only the distinct ones).

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

The square root of 1111320312 is about 33336.4711989737. The cubic root of 1111320312 is about 1035.8091681523.

Adding to 1111320312 its reverse (2130231111), we get a palindrome (3241551423).

The spelling of 1111320312 in words is "one billion, one hundred eleven million, three hundred twenty thousand, three hundred twelve".