1143031214 has 8 divisors (see below), whose sum is σ = 1846435080. Its totient is φ = 527552856.

The previous prime is 1143031213. The next prime is 1143031223. The reversal of 1143031214 is 4121303411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143031213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21981344 + ... + 21981395.

It is an arithmetic number, because the mean of its divisors is an integer number (230804385).

Almost surely, 2^1143031214 is an apocalyptic number.

1143031214 is a deficient number, since it is larger than the sum of its proper divisors (703403866).

1143031214 is a wasteful number, since it uses less digits than its factorization.

1143031214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43962754.

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

The square root of 1143031214 is about 33808.7446380371. The cubic root of 1143031214 is about 1045.5689960819.

Adding to 1143031214 its reverse (4121303411), we get a palindrome (5264334625).

The spelling of 1143031214 in words is "one billion, one hundred forty-three million, thirty-one thousand, two hundred fourteen".