13230321331 has 2 divisors, whose sum is σ = 13230321332. Its totient is φ = 13230321330.

The previous prime is 13230321323. The next prime is 13230321343. The reversal of 13230321331 is 13312303231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13230321331 - 2³ = 13230321323 is a prime.

It is a super-2 number, since 2×13230321331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13230321371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615160665 + 6615160666.

It is an arithmetic number, because the mean of its divisors is an integer number (6615160666).

Almost surely, 2^13230321331 is an apocalyptic number.

13230321331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13230321331 is an equidigital number, since it uses as much as digits as its factorization.

13230321331 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 22.

Adding to 13230321331 its reverse (13312303231), we get a palindrome (26542624562).

The spelling of 13230321331 in words is "thirteen billion, two hundred thirty million, three hundred twenty-one thousand, three hundred thirty-one".