13331203331 has 2 divisors, whose sum is σ = 13331203332. Its totient is φ = 13331203330.

The previous prime is 13331203321. The next prime is 13331203387. The reversal of 13331203331 is 13330213331.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13331203331 is a prime.

It is a super-2 number, since 2×13331203331² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 13331203297 and 13331203306.

It is not a weakly prime, because it can be changed into another prime (13331203321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6665601665 + 6665601666.

It is an arithmetic number, because the mean of its divisors is an integer number (6665601666).

Almost surely, 2^13331203331 is an apocalyptic number.

13331203331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13331203331 is an equidigital number, since it uses as much as digits as its factorization.

13331203331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 13331203331 its reverse (13330213331), we get a palindrome (26661416662).

The spelling of 13331203331 in words is "thirteen billion, three hundred thirty-one million, two hundred three thousand, three hundred thirty-one".