1000343100 has 72 divisors (see below), whose sum is σ = 2972584048. Its totient is φ = 259545600.

The previous prime is 1000343033. The next prime is 1000343143. The reversal of 1000343100 is 13430001.

It is a super-2 number, since 2×1000343100² = 2001372635435220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33961 + ... + 56160.

Almost surely, 2^1000343100 is an apocalyptic number.

1000343100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000343100 is an abundant number, since it is smaller than the sum of its proper divisors (1972240948).

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

1000343100 is a wasteful number, since it uses less digits than its factorization.

1000343100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90175 (or 90168 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1000343100 is about 31628.2010237699. The cubic root of 1000343100 is about 1000.1143535894.

Adding to 1000343100 its reverse (13430001), we get a palindrome (1013773101).

The spelling of 1000343100 in words is "one billion, three hundred forty-three thousand, one hundred".