2002304281 has 2 divisors, whose sum is σ = 2002304282. Its totient is φ = 2002304280.

The previous prime is 2002304273. The next prime is 2002304327. The reversal of 2002304281 is 1824032002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1561514256 + 440790025 = 39516^2 + 20995^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002304281 - 2³ = 2002304273 is a prime.

It is a super-2 number, since 2×2002304281² = 8018444867421853922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2002301281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001152140 + 1001152141.

It is an arithmetic number, because the mean of its divisors is an integer number (1001152141).

Almost surely, 2^2002304281 is an apocalyptic number.

It is an amenable number.

2002304281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002304281 is an equidigital number, since it uses as much as digits as its factorization.

2002304281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2002304281 is about 44747.1147784972. The cubic root of 2002304281 is about 1260.4047328750.

Adding to 2002304281 its reverse (1824032002), we get a palindrome (3826336283).

The spelling of 2002304281 in words is "two billion, two million, three hundred four thousand, two hundred eighty-one".