1000343091 has 8 divisors (see below), whose sum is σ = 1455044544. Its totient is φ = 606268520.

The previous prime is 1000343033. The next prime is 1000343143. The reversal of 1000343091 is 1903430001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1000343091 - 2⁷ = 1000342963 is a prime.

It is a super-2 number, since 2×1000343091² = 2001372599422868562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000343011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15156681 + ... + 15156746.

It is an arithmetic number, because the mean of its divisors is an integer number (181880568).

Almost surely, 2^1000343091 is an apocalyptic number.

1000343091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1000343091 is a deficient number, since it is larger than the sum of its proper divisors (454701453).

1000343091 is a wasteful number, since it uses less digits than its factorization.

1000343091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30313441.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1000343091 is about 31628.2008814918. The cubic root of 1000343091 is about 1000.1143505901.

Adding to 1000343091 its reverse (1903430001), we get a palindrome (2903773092).

The spelling of 1000343091 in words is "one billion, three hundred forty-three thousand, ninety-one".