2143402301 has 2 divisors, whose sum is σ = 2143402302. Its totient is φ = 2143402300.

The previous prime is 2143402291. The next prime is 2143402321. The reversal of 2143402301 is 1032043412.

It is an a-pointer prime, because the next prime (2143402321) can be obtained adding 2143402301 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2102314201 + 41088100 = 45851^2 + 6410^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143402301 - 2⁶ = 2143402237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143402321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071701150 + 1071701151.

It is an arithmetic number, because the mean of its divisors is an integer number (1071701151).

Almost surely, 2^2143402301 is an apocalyptic number.

It is an amenable number.

2143402301 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143402301 is an equidigital number, since it uses as much as digits as its factorization.

2143402301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2143402301 is about 46296.8929951028. The cubic root of 2143402301 is about 1289.3413100574.

Adding to 2143402301 its reverse (1032043412), we get a palindrome (3175445713).

The spelling of 2143402301 in words is "two billion, one hundred forty-three million, four hundred two thousand, three hundred one".