4030203161 has 2 divisors, whose sum is σ = 4030203162. Its totient is φ = 4030203160.

The previous prime is 4030203139. The next prime is 4030203187. The reversal of 4030203161 is 1613020304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3994872025 + 35331136 = 63205^2 + 5944^2 .

It is a cyclic number.

It is not a de Polignac number, because 4030203161 - 2¹⁸ = 4029941017 is a prime.

It is not a weakly prime, because it can be changed into another prime (4030205161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2015101580 + 2015101581.

It is an arithmetic number, because the mean of its divisors is an integer number (2015101581).

Almost surely, 2^4030203161 is an apocalyptic number.

It is an amenable number.

4030203161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4030203161 is an equidigital number, since it uses as much as digits as its factorization.

4030203161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 4030203161 is about 63483.8811116649. The cubic root of 4030203161 is about 1591.3864153174.

Adding to 4030203161 its reverse (1613020304), we get a palindrome (5643223465).

The spelling of 4030203161 in words is "four billion, thirty million, two hundred three thousand, one hundred sixty-one".