1000091343 has 4 divisors (see below), whose sum is σ = 1333455128. Its totient is φ = 666727560.

The previous prime is 1000091329. The next prime is 1000091371. The reversal of 1000091343 is 3431900001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1000091343 - 2⁴ = 1000091327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000091383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166681888 + ... + 166681893.

It is an arithmetic number, because the mean of its divisors is an integer number (333363782).

Almost surely, 2^1000091343 is an apocalyptic number.

1000091343 is a deficient number, since it is larger than the sum of its proper divisors (333363785).

1000091343 is an equidigital number, since it uses as much as digits as its factorization.

1000091343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333363784.

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

The square root of 1000091343 is about 31624.2208283461. The cubic root of 1000091343 is about 1000.0304467397.

Adding to 1000091343 its reverse (3431900001), we get a palindrome (4431991344).

The spelling of 1000091343 in words is "one billion, ninety-one thousand, three hundred forty-three".