3181680085 has 8 divisors (see below), whose sum is σ = 3864016800. Its totient is φ = 2514676944.

The previous prime is 3181680059. The next prime is 3181680097. The reversal of 3181680085 is 5800861813.

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 3181680085 - 2⁵ = 3181680053 is a prime.

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, 3832935 + ... + 3833764.

It is an arithmetic number, because the mean of its divisors is an integer number (483002100).

Almost surely, 2^3181680085 is an apocalyptic number.

It is an amenable number.

3181680085 is a deficient number, since it is larger than the sum of its proper divisors (682336715).

3181680085 is an equidigital number, since it uses as much as digits as its factorization.

3181680085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7666787.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 3181680085 is about 56406.3833710335. The cubic root of 3181680085 is about 1470.7950848677.

The spelling of 3181680085 in words is "three billion, one hundred eighty-one million, six hundred eighty thousand, eighty-five".