331349 has 2 divisors, whose sum is σ = 331350. Its totient is φ = 331348.

The previous prime is 331339. The next prime is 331367. The reversal of 331349 is 943133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208849 + 122500 = 457^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 331349 - 2⁴ = 331333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165674 + 165675.

It is an arithmetic number, because the mean of its divisors is an integer number (165675).

2³³¹³⁴⁹ is an apocalyptic number.

It is an amenable number.

331349 is a deficient number, since it is larger than the sum of its proper divisors (1).

331349 is an equidigital number, since it uses as much as digits as its factorization.

331349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 23.

The square root of 331349 is about 575.6292209400. The cubic root of 331349 is about 69.1982675232.

The spelling of 331349 in words is "three hundred thirty-one thousand, three hundred forty-nine".