214311967 has 2 divisors, whose sum is σ = 214311968. Its totient is φ = 214311966.

The previous prime is 214311947. The next prime is 214311973. The reversal of 214311967 is 769113412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214311967 - 2¹¹ = 214309919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214311917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107155983 + 107155984.

It is an arithmetic number, because the mean of its divisors is an integer number (107155984).

Almost surely, 2^214311967 is an apocalyptic number.

214311967 is a deficient number, since it is larger than the sum of its proper divisors (1).

214311967 is an equidigital number, since it uses as much as digits as its factorization.

214311967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 34.

The square root of 214311967 is about 14639.3977676679. The cubic root of 214311967 is about 598.4329171302.

The spelling of 214311967 in words is "two hundred fourteen million, three hundred eleven thousand, nine hundred sixty-seven".