2011343401 has 16 divisors (see below), whose sum is σ = 2205000000. Its totient is φ = 1827354816.

The previous prime is 2011343393. The next prime is 2011343407. The reversal of 2011343401 is 1043431102.

It is a cyclic number.

It is not a de Polignac number, because 2011343401 - 2³ = 2011343393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011343407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69850 + ... + 94348.

It is an arithmetic number, because the mean of its divisors is an integer number (137812500).

Almost surely, 2^2011343401 is an apocalyptic number.

It is an amenable number.

2011343401 is a deficient number, since it is larger than the sum of its proper divisors (193656599).

2011343401 is a wasteful number, since it uses less digits than its factorization.

2011343401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24696.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2011343401 is about 44848.0033111843. The cubic root of 2011343401 is about 1262.2985257166.

Adding to 2011343401 its reverse (1043431102), we get a palindrome (3054774503).

The spelling of 2011343401 in words is "two billion, eleven million, three hundred forty-three thousand, four hundred one".