13195331 has 2 divisors, whose sum is σ = 13195332. Its totient is φ = 13195330.

The previous prime is 13195327. The next prime is 13195333. The reversal of 13195331 is 13359131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13195331 - 2² = 13195327 is a prime.

It is a super-2 number, since 2×13195331² = 348233520399122, which contains 22 as substring.

Together with 13195333, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13195331.

It is not a weakly prime, because it can be changed into another prime (13195333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6597665 + 6597666.

It is an arithmetic number, because the mean of its divisors is an integer number (6597666).

Almost surely, 2^13195331 is an apocalyptic number.

13195331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13195331 is an equidigital number, since it uses as much as digits as its factorization.

13195331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1215, while the sum is 26.

The square root of 13195331 is about 3632.5378181101. The cubic root of 13195331 is about 236.3052821742.

The spelling of 13195331 in words is "thirteen million, one hundred ninety-five thousand, three hundred thirty-one".