1001115343 has 4 divisors (see below), whose sum is σ = 1012363920. Its totient is φ = 989866768.

The previous prime is 1001115337. The next prime is 1001115359. The reversal of 1001115343 is 3435111001.

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 1001115343 - 2²¹ = 999018191 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 1001115343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001115743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5624155 + ... + 5624332.

It is an arithmetic number, because the mean of its divisors is an integer number (253090980).

Almost surely, 2^1001115343 is an apocalyptic number.

1001115343 is a deficient number, since it is larger than the sum of its proper divisors (11248577).

1001115343 is an equidigital number, since it uses as much as digits as its factorization.

1001115343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11248576.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1001115343 is about 31640.4068083835. The cubic root of 1001115343 is about 1000.3716428645.

Adding to 1001115343 its reverse (3435111001), we get a palindrome (4436226344).

The spelling of 1001115343 in words is "one billion, one million, one hundred fifteen thousand, three hundred forty-three".