331441349 has 2 divisors, whose sum is σ = 331441350. Its totient is φ = 331441348.

The previous prime is 331441267. The next prime is 331441351. The reversal of 331441349 is 943144133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299913124 + 31528225 = 17318^2 + 5615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331441349 is a prime.

Together with 331441351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331441379) 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, 165720674 + 165720675.

It is an arithmetic number, because the mean of its divisors is an integer number (165720675).

Almost surely, 2^331441349 is an apocalyptic number.

It is an amenable number.

331441349 is a deficient number, since it is larger than the sum of its proper divisors (1).

331441349 is an equidigital number, since it uses as much as digits as its factorization.

331441349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 331441349 is about 18205.5307255790. The cubic root of 331441349 is about 692.0469558668.

The spelling of 331441349 in words is "three hundred thirty-one million, four hundred forty-one thousand, three hundred forty-nine".