3831521334 has 16 divisors (see below), whose sum is σ = 7670946240. Its totient is φ = 1275856520.

The previous prime is 3831521297. The next prime is 3831521341. The reversal of 3831521334 is 4331251383.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3831521295 and 3831521304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323004 + ... + 334655.

It is an arithmetic number, because the mean of its divisors is an integer number (479434140).

Almost surely, 2^3831521334 is an apocalyptic number.

3831521334 is an abundant number, since it is smaller than the sum of its proper divisors (3839424906).

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

3831521334 is a wasteful number, since it uses less digits than its factorization.

3831521334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658635.

The product of its digits is 25920, while the sum is 33.

The square root of 3831521334 is about 61899.2837923025. The cubic root of 3831521334 is about 1564.7936774759.

The spelling of 3831521334 in words is "three billion, eight hundred thirty-one million, five hundred twenty-one thousand, three hundred thirty-four".