14302304021 has 2 divisors, whose sum is σ = 14302304022. Its totient is φ = 14302304020.

The previous prime is 14302303997. The next prime is 14302304059. The reversal of 14302304021 is 12040320341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9958044100 + 4344259921 = 99790^2 + 65911^2 .

It is a cyclic number.

It is not a de Polignac number, because 14302304021 - 2³⁰ = 13228562197 is a prime.

It is a super-2 number, since 2×14302304021² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14302303984 and 14302304002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14302354021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7151152010 + 7151152011.

It is an arithmetic number, because the mean of its divisors is an integer number (7151152011).

Almost surely, 2^14302304021 is an apocalyptic number.

It is an amenable number.

14302304021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14302304021 is an equidigital number, since it uses as much as digits as its factorization.

14302304021 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.

Adding to 14302304021 its reverse (12040320341), we get a palindrome (26342624362).

The spelling of 14302304021 in words is "fourteen billion, three hundred two million, three hundred four thousand, twenty-one".