3431443216 has 20 divisors (see below), whose sum is σ = 6649379100. Its totient is φ = 1715474432.

The previous prime is 3431443193. The next prime is 3431443219. The reversal of 3431443216 is 6123441343.

It can be written as a sum of positive squares in 2 ways, for example, as 2613254400 + 818188816 = 51120^2 + 28604^2 .

It is not an unprimeable number, because it can be changed into a prime (3431443219) 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, 158280 + ... + 178648.

It is an arithmetic number, because the mean of its divisors is an integer number (332468955).

Almost surely, 2^3431443216 is an apocalyptic number.

It is an amenable number.

3431443216 is a deficient number, since it is larger than the sum of its proper divisors (3217935884).

3431443216 is a wasteful number, since it uses less digits than its factorization.

3431443216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30906 (or 30900 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 3431443216 is about 58578.5217976692. The cubic root of 3431443216 is about 1508.3157713640.

Adding to 3431443216 its reverse (6123441343), we get a palindrome (9554884559).

The spelling of 3431443216 in words is "three billion, four hundred thirty-one million, four hundred forty-three thousand, two hundred sixteen".