3215318085 has 40 divisors (see below), whose sum is σ = 6587154816. Its totient is φ = 1469858400.

The previous prime is 3215318039. The next prime is 3215318089. The reversal of 3215318085 is 5808135123.

It is not a de Polignac number, because 3215318085 - 2⁸ = 3215317829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215318089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 564241 + ... + 569910.

Almost surely, 2^3215318085 is an apocalyptic number.

3215318085 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3215318085 is an abundant number, since it is smaller than the sum of its proper divisors (3371836731).

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

3215318085 is a wasteful number, since it uses less digits than its factorization.

3215318085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134175 (or 1134166 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 3215318085 is about 56703.7748743415. The cubic root of 3215318085 is about 1475.9602036663.

The spelling of 3215318085 in words is "three billion, two hundred fifteen million, three hundred eighteen thousand, eighty-five".