13090331 has 2 divisors, whose sum is σ = 13090332. Its totient is φ = 13090330.

The previous prime is 13090309. The next prime is 13090333. The reversal of 13090331 is 13309031.

It is a strong prime.

It is an emirp because it is prime and its reverse (13309031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13090331 - 2¹⁸ = 12828187 is a prime.

It is a super-2 number, since 2×13090331² = 342713531379122, which contains 22 as substring.

Together with 13090333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13090333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6545165 + 6545166.

It is an arithmetic number, because the mean of its divisors is an integer number (6545166).

Almost surely, 2^13090331 is an apocalyptic number.

13090331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13090331 is an equidigital number, since it uses as much as digits as its factorization.

13090331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 13090331 is about 3618.0562461078. The cubic root of 13090331 is about 235.6768235186.

Adding to 13090331 its reverse (13309031), we get a palindrome (26399362).

The spelling of 13090331 in words is "thirteen million, ninety thousand, three hundred thirty-one".