1011040343 has 8 divisors (see below), whose sum is σ = 1033515600. Its totient is φ = 988743168.

The previous prime is 1011040321. The next prime is 1011040351. The reversal of 1011040343 is 3430401101.

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

It is a cyclic number.

It is not a de Polignac number, because 1011040343 - 2²² = 1006846039 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 (1011040843) 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, 33008 + ... + 55781.

It is an arithmetic number, because the mean of its divisors is an integer number (129189450).

Almost surely, 2^1011040343 is an apocalyptic number.

1011040343 is a deficient number, since it is larger than the sum of its proper divisors (22475257).

1011040343 is an equidigital number, since it uses as much as digits as its factorization.

1011040343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89041.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1011040343 is about 31796.8605840262. The cubic root of 1011040343 is about 1003.6666535531. Note that the first 4 decimals are identical.

Adding to 1011040343 its reverse (3430401101), we get a palindrome (4441441444).

The spelling of 1011040343 in words is "one billion, eleven million, forty thousand, three hundred forty-three".