13101331 has 2 divisors, whose sum is σ = 13101332. Its totient is φ = 13101330.

The previous prime is 13101307. The next prime is 13101343. The reversal of 13101331 is 13310131.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (13310131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13101331 - 2⁵ = 13101299 is a prime.

It is a super-2 number, since 2×13101331² = 343289747943122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13101631) 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, 6550665 + 6550666.

It is an arithmetic number, because the mean of its divisors is an integer number (6550666).

Almost surely, 2^13101331 is an apocalyptic number.

13101331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13101331 is an equidigital number, since it uses as much as digits as its factorization.

13101331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 13101331 is about 3619.5760801508. The cubic root of 13101331 is about 235.7428192840.

Adding to 13101331 its reverse (13310131), we get a palindrome (26411462).

It can be divided in two parts, 131013 and 31, that added together give a square (131044 = 362²).

The spelling of 13101331 in words is "thirteen million, one hundred one thousand, three hundred thirty-one".