13116331 has 2 divisors, whose sum is σ = 13116332. Its totient is φ = 13116330.

The previous prime is 13116319. The next prime is 13116343. The reversal of 13116331 is 13361131.

It is a balanced prime because it is at equal distance from previous prime (13116319) and next prime (13116343).

It is a cyclic number.

It is not a de Polignac number, because 13116331 - 2⁷ = 13116203 is a prime.

It is a super-2 number, since 2×13116331² = 344076277803122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13116299 and 13116308.

It is not a weakly prime, because it can be changed into another prime (13116391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6558165 + 6558166.

It is an arithmetic number, because the mean of its divisors is an integer number (6558166).

Almost surely, 2^13116331 is an apocalyptic number.

13116331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13116331 is an equidigital number, since it uses as much as digits as its factorization.

13116331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162, while the sum is 19.

The square root of 13116331 is about 3621.6475532553. The cubic root of 13116331 is about 235.8327540042.

Adding to 13116331 its reverse (13361131), we get a palindrome (26477462).

The spelling of 13116331 in words is "thirteen million, one hundred sixteen thousand, three hundred thirty-one".