2113201807 has 2 divisors, whose sum is σ = 2113201808. Its totient is φ = 2113201806.

The previous prime is 2113201799. The next prime is 2113201837. The reversal of 2113201807 is 7081023112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2113201807 - 2³ = 2113201799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113201837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056600903 + 1056600904.

It is an arithmetic number, because the mean of its divisors is an integer number (1056600904).

Almost surely, 2^2113201807 is an apocalyptic number.

2113201807 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113201807 is an equidigital number, since it uses as much as digits as its factorization.

2113201807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 2113201807 is about 45969.5747968153. The cubic root of 2113201807 is about 1283.2570467874.

Adding to 2113201807 its reverse (7081023112), we get a palindrome (9194224919).

The spelling of 2113201807 in words is "two billion, one hundred thirteen million, two hundred one thousand, eight hundred seven".