13231331012213 has 2 divisors, whose sum is σ = 13231331012214. Its totient is φ = 13231331012212.

The previous prime is 13231331012197. The next prime is 13231331012219. The reversal of 13231331012213 is 31221013313231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13223455869649 + 7875142564 = 3636407^2 + 88742^2 .

It is a cyclic number.

It is not a de Polignac number, because 13231331012213 - 2⁴ = 13231331012197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13231331012219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615665506106 + 6615665506107.

It is an arithmetic number, because the mean of its divisors is an integer number (6615665506107).

Almost surely, 2^{13231331012213} is an apocalyptic number.

It is an amenable number.

13231331012213 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231331012213 is an equidigital number, since it uses as much as digits as its factorization.

13231331012213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13231331012213 its reverse (31221013313231), we get a palindrome (44452344325444).

The spelling of 13231331012213 in words is "thirteen trillion, two hundred thirty-one billion, three hundred thirty-one million, twelve thousand, two hundred thirteen".