1011341143 has 4 divisors (see below), whose sum is σ = 1027920568. Its totient is φ = 994761720.

The previous prime is 1011341129. The next prime is 1011341147. The reversal of 1011341143 is 3411431101.

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

It is a cyclic number.

It is not a de Polignac number, because 1011341143 - 2²⁹ = 474470231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011341143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011341147) 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, 8289621 + ... + 8289742.

It is an arithmetic number, because the mean of its divisors is an integer number (256980142).

Almost surely, 2^1011341143 is an apocalyptic number.

1011341143 is a deficient number, since it is larger than the sum of its proper divisors (16579425).

1011341143 is an equidigital number, since it uses as much as digits as its factorization.

1011341143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16579424.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1011341143 is about 31801.5902589792. The cubic root of 1011341143 is about 1003.7661790884.

Adding to 1011341143 its reverse (3411431101), we get a palindrome (4422772244).

The spelling of 1011341143 in words is "one billion, eleven million, three hundred forty-one thousand, one hundred forty-three".