3143434221 has 6 divisors (see below), whose sum is σ = 4540516110. Its totient is φ = 2095622808.

The previous prime is 3143434159. The next prime is 3143434247. The reversal of 3143434221 is 1224343413.

3143434221 is a `hidden beast` number, since 3 + 1 + 4 + 3 + 434 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2627690121 + 515744100 = 51261^2 + 22710^2 .

It is not a de Polignac number, because 3143434221 - 2¹⁹ = 3142909933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143434291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174635226 + ... + 174635243.

It is an arithmetic number, because the mean of its divisors is an integer number (756752685).

Almost surely, 2^3143434221 is an apocalyptic number.

It is an amenable number.

3143434221 is a deficient number, since it is larger than the sum of its proper divisors (1397081889).

3143434221 is a wasteful number, since it uses less digits than its factorization.

3143434221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349270475 (or 349270472 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 3143434221 is about 56066.3376813574. The cubic root of 3143434221 is about 1464.8780076017.

Adding to 3143434221 its reverse (1224343413), we get a palindrome (4367777634).

The spelling of 3143434221 in words is "three billion, one hundred forty-three million, four hundred thirty-four thousand, two hundred twenty-one".