3211530368 has 24 divisors (see below), whose sum is σ = 6399248205. Its totient is φ = 1605444608.

The previous prime is 3211530359. The next prime is 3211530449. The reversal of 3211530368 is 8630351123.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 3208995904 + 2534464 = 56648^2 + 1592^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=40072.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 638648 + ... + 643656.

Almost surely, 2^3211530368 is an apocalyptic number.

It is an amenable number.

3211530368 is a deficient number, since it is larger than the sum of its proper divisors (3187717837).

3211530368 is an frugal number, since it uses more digits than its factorization.

3211530368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10032 (or 5011 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 3211530368 is about 56670.3658714147. The cubic root of 3211530368 is about 1475.3804044989.

Multiplying 3211530368 by its sum of digits (32), we get a square (102768971776 = 320576²).

3211530368 divided by its sum of digits (32) gives a square (100360324 = 10018²).

The spelling of 3211530368 in words is "three billion, two hundred eleven million, five hundred thirty thousand, three hundred sixty-eight".