3201881532 has 48 divisors (see below), whose sum is σ = 7749181440. Its totient is φ = 1027757248.

The previous prime is 3201881513. The next prime is 3201881537. The reversal of 3201881532 is 2351881023.

It is a junction number, because it is equal to n+sod(n) for n = 3201881493 and 3201881502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201881537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121273 + ... + 145295.

It is an arithmetic number, because the mean of its divisors is an integer number (161441280).

Almost surely, 2^3201881532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3201881532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3874590720).

3201881532 is an abundant number, since it is smaller than the sum of its proper divisors (4547299908).

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

3201881532 is a wasteful number, since it uses less digits than its factorization.

3201881532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24442 (or 24440 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 3201881532 is about 56585.1706014924. The cubic root of 3201881532 is about 1473.9013604998.

The spelling of 3201881532 in words is "three billion, two hundred one million, eight hundred eighty-one thousand, five hundred thirty-two".