331283 has 2 divisors, whose sum is σ = 331284. Its totient is φ = 331282.

The previous prime is 331277. The next prime is 331301. The reversal of 331283 is 382133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 331283 - 2⁸ = 331027 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (331213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165641 + 165642.

It is an arithmetic number, because the mean of its divisors is an integer number (165642).

2³³¹²⁸³ is an apocalyptic number.

331283 is a deficient number, since it is larger than the sum of its proper divisors (1).

331283 is an equidigital number, since it uses as much as digits as its factorization.

331283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 20.

The square root of 331283 is about 575.5718895151. The cubic root of 331283 is about 69.1936727818.

The spelling of 331283 in words is "three hundred thirty-one thousand, two hundred eighty-three".