214660331 has 2 divisors, whose sum is σ = 214660332. Its totient is φ = 214660330.

The previous prime is 214660289. The next prime is 214660339. The reversal of 214660331 is 133066412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214660331 - 2⁶ = 214660267 is a prime.

It is a super-2 number, since 2×214660331² = 92158115410059122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214660331.

It is not a weakly prime, because it can be changed into another prime (214660339) 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, 107330165 + 107330166.

It is an arithmetic number, because the mean of its divisors is an integer number (107330166).

Almost surely, 2^214660331 is an apocalyptic number.

214660331 is a deficient number, since it is larger than the sum of its proper divisors (1).

214660331 is an equidigital number, since it uses as much as digits as its factorization.

214660331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 214660331 is about 14651.2911035171. The cubic root of 214660331 is about 598.7569924059.

The spelling of 214660331 in words is "two hundred fourteen million, six hundred sixty thousand, three hundred thirty-one".