1000343112 has 64 divisors (see below), whose sum is σ = 2597529600. Its totient is φ = 320800320.

The previous prime is 1000343033. The next prime is 1000343143. The reversal of 1000343112 is 2113430001.

It is a junction number, because it is equal to n+sod(n) for n = 1000343091 and 1000343100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59037 + ... + 74067.

It is an arithmetic number, because the mean of its divisors is an integer number (40586400).

Almost surely, 2^1000343112 is an apocalyptic number.

1000343112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000343112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1298764800).

1000343112 is an abundant number, since it is smaller than the sum of its proper divisors (1597186488).

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

1000343112 is a wasteful number, since it uses less digits than its factorization.

1000343112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15146 (or 15142 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1000343112 is about 31628.2012134740. The cubic root of 1000343112 is about 1000.1143575885.

Adding to 1000343112 its reverse (2113430001), we get a palindrome (3113773113).

The spelling of 1000343112 in words is "one billion, three hundred forty-three thousand, one hundred twelve".