13231332013 has 2 divisors, whose sum is σ = 13231332014. Its totient is φ = 13231332012.

The previous prime is 13231332001. The next prime is 13231332029. The reversal of 13231332013 is 31023313231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10787315044 + 2444016969 = 103862^2 + 49437^2 .

It is a cyclic number.

It is not a de Polignac number, because 13231332013 - 2²⁵ = 13197777581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13231332083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615666006 + 6615666007.

It is an arithmetic number, because the mean of its divisors is an integer number (6615666007).

Almost surely, 2^13231332013 is an apocalyptic number.

It is an amenable number.

13231332013 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231332013 is an equidigital number, since it uses as much as digits as its factorization.

13231332013 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 13231332013 its reverse (31023313231), we get a palindrome (44254645244).

The spelling of 13231332013 in words is "thirteen billion, two hundred thirty-one million, three hundred thirty-two thousand, thirteen".