331131067 has 2 divisors, whose sum is σ = 331131068. Its totient is φ = 331131066.

The previous prime is 331131043. The next prime is 331131079. The reversal of 331131067 is 760131133.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331131067 is a prime.

It is not a weakly prime, because it can be changed into another prime (331131767) 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, 165565533 + 165565534.

It is an arithmetic number, because the mean of its divisors is an integer number (165565534).

Almost surely, 2^331131067 is an apocalyptic number.

331131067 is a deficient number, since it is larger than the sum of its proper divisors (1).

331131067 is an equidigital number, since it uses as much as digits as its factorization.

331131067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 331131067 is about 18197.0070890792. The cubic root of 331131067 is about 691.8309329755.

The spelling of 331131067 in words is "three hundred thirty-one million, one hundred thirty-one thousand, sixty-seven".