13303020233 has 2 divisors, whose sum is σ = 13303020234. Its totient is φ = 13303020232.

The previous prime is 13303020197. The next prime is 13303020253. The reversal of 13303020233 is 33202030331.

It is an a-pointer prime, because the next prime (13303020253) can be obtained adding 13303020233 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12907686544 + 395333689 = 113612^2 + 19883^2 .

It is a cyclic number.

It is not a de Polignac number, because 13303020233 - 2¹⁴ = 13303003849 is a prime.

It is a super-3 number, since 3×13303020233³ (a number of 31 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13303020253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6651510116 + 6651510117.

It is an arithmetic number, because the mean of its divisors is an integer number (6651510117).

Almost surely, 2^13303020233 is an apocalyptic number.

It is an amenable number.

13303020233 is a deficient number, since it is larger than the sum of its proper divisors (1).

13303020233 is an equidigital number, since it uses as much as digits as its factorization.

13303020233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 13303020233 its reverse (33202030331), we get a palindrome (46505050564).

The spelling of 13303020233 in words is "thirteen billion, three hundred three million, twenty thousand, two hundred thirty-three".