1001001343 has 8 divisors (see below), whose sum is σ = 1024842368. Its totient is φ = 977185944.

The previous prime is 1001001329. The next prime is 1001001349. The reversal of 1001001343 is 3431001001.

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 1001001343 - 2⁵ = 1001001311 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 (1001001349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89446 + ... + 100012.

It is an arithmetic number, because the mean of its divisors is an integer number (128105296).

Almost surely, 2^1001001343 is an apocalyptic number.

1001001343 is a deficient number, since it is larger than the sum of its proper divisors (23841025).

1001001343 is a wasteful number, since it uses less digits than its factorization.

1001001343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12813.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1001001343 is about 31638.6052631907. The cubic root of 1001001343 is about 1000.3336696522. Note that the first 3 decimals are identical.

Adding to 1001001343 its reverse (3431001001), we get a palindrome (4432002344).

It can be divided in two parts, 1001001 and 343, that multiplied together give a palindrome (343343343).

The spelling of 1001001343 in words is "one billion, one million, one thousand, three hundred forty-three".