214311143 has 2 divisors, whose sum is σ = 214311144. Its totient is φ = 214311142.

The previous prime is 214311133. The next prime is 214311169. The reversal of 214311143 is 341113412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214311143 - 2¹⁰ = 214310119 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214311133) 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, 107155571 + 107155572.

It is an arithmetic number, because the mean of its divisors is an integer number (107155572).

Almost surely, 2^214311143 is an apocalyptic number.

214311143 is a deficient number, since it is larger than the sum of its proper divisors (1).

214311143 is an equidigital number, since it uses as much as digits as its factorization.

214311143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 20.

The square root of 214311143 is about 14639.3696244066. The cubic root of 214311143 is about 598.4321501652.

Adding to 214311143 its reverse (341113412), we get a palindrome (555424555).

The spelling of 214311143 in words is "two hundred fourteen million, three hundred eleven thousand, one hundred forty-three".