3213530140 has 24 divisors (see below), whose sum is σ = 6750263520. Its totient is φ = 1285059648.

The previous prime is 3213530119. The next prime is 3213530143. The reversal of 3213530140 is 410353123.

3213530140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213530143) 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, 60241 + ... + 100279.

It is an arithmetic number, because the mean of its divisors is an integer number (281260980).

Almost surely, 2^3213530140 is an apocalyptic number.

It is an amenable number.

3213530140 is an abundant number, since it is smaller than the sum of its proper divisors (3536733380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3213530140 is a wasteful number, since it uses less digits than its factorization.

3213530140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44061 (or 44059 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 3213530140 is about 56688.0070208858. The cubic root of 3213530140 is about 1475.6865734071.

Adding to 3213530140 its reverse (410353123), we get a palindrome (3623883263).

The spelling of 3213530140 in words is "three billion, two hundred thirteen million, five hundred thirty thousand, one hundred forty".