331043 has 2 divisors, whose sum is σ = 331044. Its totient is φ = 331042.

The previous prime is 331031. The next prime is 331063. The reversal of 331043 is 340133.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 331043 - 2⁴ = 331027 is a prime.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is not a weakly prime, because it can be changed into another prime (331013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165521 + 165522.

It is an arithmetic number, because the mean of its divisors is an integer number (165522).

2³³¹⁰⁴³ is an apocalyptic number.

331043 is a deficient number, since it is larger than the sum of its proper divisors (1).

331043 is an equidigital number, since it uses as much as digits as its factorization.

331043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 331043 is about 575.3633634496. The cubic root of 331043 is about 69.1769594850.

Adding to 331043 its reverse (340133), we get a palindrome (671176).

The spelling of 331043 in words is "three hundred thirty-one thousand, forty-three".