1000111312 has 20 divisors (see below), whose sum is σ = 1943955936. Its totient is φ = 498445280.

The previous prime is 1000111283. The next prime is 1000111327. The reversal of 1000111312 is 2131110001.

It is a super-2 number, since 2×1000111312² = 2000445272780722688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95518 + ... + 105469.

Almost surely, 2^1000111312 is an apocalyptic number.

It is an amenable number.

1000111312 is a deficient number, since it is larger than the sum of its proper divisors (943844624).

1000111312 is a wasteful number, since it uses less digits than its factorization.

1000111312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201306 (or 201300 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1000111312 is about 31624.5365499639. The cubic root of 1000111312 is about 1000.0371026234.

Adding to 1000111312 its reverse (2131110001), we get a palindrome (3131221313).

The spelling of 1000111312 in words is "one billion, one hundred eleven thousand, three hundred twelve".