1111230312 has 16 divisors (see below), whose sum is σ = 2778075840. Its totient is φ = 370410096.

The previous prime is 1111230283. The next prime is 1111230331. The reversal of 1111230312 is 2130321111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1111230291 and 1111230300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23150608 + ... + 23150655.

It is an arithmetic number, because the mean of its divisors is an integer number (173629740).

Almost surely, 2^1111230312 is an apocalyptic number.

1111230312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111230312 is an abundant number, since it is smaller than the sum of its proper divisors (1666845528).

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

1111230312 is a wasteful number, since it uses less digits than its factorization.

1111230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46301272 (or 46301268 counting only the distinct ones).

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

The square root of 1111230312 is about 33335.1212987144. The cubic root of 1111230312 is about 1035.7812058145.

Adding to 1111230312 its reverse (2130321111), we get a palindrome (3241551423).

The spelling of 1111230312 in words is "one billion, one hundred eleven million, two hundred thirty thousand, three hundred twelve".