2011283401 has 4 divisors (see below), whose sum is σ = 2014120900. Its totient is φ = 2008445904.

The previous prime is 2011283359. The next prime is 2011283411. The reversal of 2011283401 is 1043821102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1043821102 = 2 ⋅521910551.

It can be written as a sum of positive squares in 2 ways, for example, as 930189001 + 1081094400 = 30499^2 + 32880^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011283401 - 2¹³ = 2011275209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011283411) 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, 1417686 + ... + 1419103.

It is an arithmetic number, because the mean of its divisors is an integer number (503530225).

Almost surely, 2^2011283401 is an apocalyptic number.

It is an amenable number.

2011283401 is a deficient number, since it is larger than the sum of its proper divisors (2837499).

2011283401 is an equidigital number, since it uses as much as digits as its factorization.

2011283401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837498.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 2011283401 is about 44847.3343800944. The cubic root of 2011283401 is about 1262.2859737966.

The spelling of 2011283401 in words is "two billion, eleven million, two hundred eighty-three thousand, four hundred one".