3281680403 has 8 divisors (see below), whose sum is σ = 3291280128. Its totient is φ = 3272095944.

The previous prime is 3281680393. The next prime is 3281680453. The reversal of 3281680403 is 3040861823.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3281680403 - 2⁴ = 3281680387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3281680453) 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, 529400 + ... + 535562.

It is an arithmetic number, because the mean of its divisors is an integer number (411410016).

Almost surely, 2^3281680403 is an apocalyptic number.

3281680403 is a deficient number, since it is larger than the sum of its proper divisors (9599725).

3281680403 is an equidigital number, since it uses as much as digits as its factorization.

3281680403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7633.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 3281680403 is about 57285.9529291431. The cubic root of 3281680403 is about 1486.0454575874.

The spelling of 3281680403 in words is "three billion, two hundred eighty-one million, six hundred eighty thousand, four hundred three".