214031143 has 8 divisors (see below), whose sum is σ = 225768320. Its totient is φ = 202341240.

The previous prime is 214031141. The next prime is 214031159. The reversal of 214031143 is 341130412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214031143 - 2¹ = 214031141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214031143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214031141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2313 + ... + 20818.

It is an arithmetic number, because the mean of its divisors is an integer number (28221040).

Almost surely, 2^214031143 is an apocalyptic number.

214031143 is the 9253-rd heptagonal number.

214031143 is a deficient number, since it is larger than the sum of its proper divisors (11737177).

214031143 is a wasteful number, since it uses less digits than its factorization.

214031143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23637.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 214031143 is about 14629.8032454302. The cubic root of 214031143 is about 598.1714170613.

Adding to 214031143 its reverse (341130412), we get a palindrome (555161555).

The spelling of 214031143 in words is "two hundred fourteen million, thirty-one thousand, one hundred forty-three".