3143220243 has 8 divisors (see below), whose sum is σ = 4191590400. Its totient is φ = 2095165128.

The previous prime is 3143220233. The next prime is 3143220251. The reversal of 3143220243 is 3420223413.

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

It is not a de Polignac number, because 3143220243 - 2²⁹ = 2606349331 is a prime.

It is a super-4 number, since 4×3143220243⁴ (a number of 39 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (3143220233) 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, 54403 + ... + 96156.

It is an arithmetic number, because the mean of its divisors is an integer number (523948800).

Almost surely, 2^3143220243 is an apocalyptic number.

3143220243 is a deficient number, since it is larger than the sum of its proper divisors (1048370157).

3143220243 is a wasteful number, since it uses less digits than its factorization.

3143220243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157521.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3143220243 is about 56064.4293915491. The cubic root of 3143220243 is about 1464.8447680769.

Adding to 3143220243 its reverse (3420223413), we get a palindrome (6563443656).

The spelling of 3143220243 in words is "three billion, one hundred forty-three million, two hundred twenty thousand, two hundred forty-three".