331144067 has 2 divisors, whose sum is σ = 331144068. Its totient is φ = 331144066.

The previous prime is 331144039. The next prime is 331144081. The reversal of 331144067 is 760441133.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331144067 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (331144097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165572033 + 165572034.

It is an arithmetic number, because the mean of its divisors is an integer number (165572034).

Almost surely, 2^331144067 is an apocalyptic number.

331144067 is a deficient number, since it is larger than the sum of its proper divisors (1).

331144067 is an equidigital number, since it uses as much as digits as its factorization.

331144067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 331144067 is about 18197.3642871708. The cubic root of 331144067 is about 691.8399864746.

The spelling of 331144067 in words is "three hundred thirty-one million, one hundred forty-four thousand, sixty-seven".