2001343441 has 8 divisors (see below), whose sum is σ = 2057817960. Its totient is φ = 1945562112.

The previous prime is 2001343433. The next prime is 2001343451. The reversal of 2001343441 is 1443431002.

It can be written as a sum of positive squares in 4 ways, for example, as 181467841 + 1819875600 = 13471^2 + 42660^2 .

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 2001343441 - 2³ = 2001343433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001343451) 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, 167440 + ... + 178993.

It is an arithmetic number, because the mean of its divisors is an integer number (257227245).

Almost surely, 2^2001343441 is an apocalyptic number.

It is an amenable number.

2001343441 is a deficient number, since it is larger than the sum of its proper divisors (56474519).

2001343441 is a wasteful number, since it uses less digits than its factorization.

2001343441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346595.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2001343441 is about 44736.3771555096. The cubic root of 2001343441 is about 1260.2030916857.

Adding to 2001343441 its reverse (1443431002), we get a palindrome (3444774443).

The spelling of 2001343441 in words is "two billion, one million, three hundred forty-three thousand, four hundred forty-one".