13211101331 has 2 divisors, whose sum is σ = 13211101332. Its totient is φ = 13211101330.

The previous prime is 13211101301. The next prime is 13211101357. The reversal of 13211101331 is 13310111231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13211101331 is a prime.

It is a super-2 number, since 2×13211101331² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13211101301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6605550665 + 6605550666.

It is an arithmetic number, because the mean of its divisors is an integer number (6605550666).

Almost surely, 2^13211101331 is an apocalyptic number.

13211101331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13211101331 is an equidigital number, since it uses as much as digits as its factorization.

13211101331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 13211101331 its reverse (13310111231), we get a palindrome (26521212562).

The spelling of 13211101331 in words is "thirteen billion, two hundred eleven million, one hundred one thousand, three hundred thirty-one".