20030330317 has 2 divisors, whose sum is σ = 20030330318. Its totient is φ = 20030330316.

The previous prime is 20030330311. The next prime is 20030330443. The reversal of 20030330317 is 71303303002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18234181156 + 1796149161 = 135034^2 + 42381^2 .

It is a cyclic number.

It is not a de Polignac number, because 20030330317 - 2²⁷ = 19896112589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20030330311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10015165158 + 10015165159.

It is an arithmetic number, because the mean of its divisors is an integer number (10015165159).

Almost surely, 2^20030330317 is an apocalyptic number.

It is an amenable number.

20030330317 is a deficient number, since it is larger than the sum of its proper divisors (1).

20030330317 is an equidigital number, since it uses as much as digits as its factorization.

20030330317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 22.

Adding to 20030330317 its reverse (71303303002), we get a palindrome (91333633319).

The spelling of 20030330317 in words is "twenty billion, thirty million, three hundred thirty thousand, three hundred seventeen".