3117824985 has 32 divisors (see below), whose sum is σ = 5531253120. Its totient is φ = 1486886400.

The previous prime is 3117824977. The next prime is 3117824987. The reversal of 3117824985 is 5894287113.

It is not a de Polignac number, because 3117824985 - 2³ = 3117824977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3117824987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144820 + ... + 164949.

It is an arithmetic number, because the mean of its divisors is an integer number (172851660).

Almost surely, 2^3117824985 is an apocalyptic number.

It is an amenable number.

3117824985 is a deficient number, since it is larger than the sum of its proper divisors (2413428135).

3117824985 is a wasteful number, since it uses less digits than its factorization.

3117824985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309849.

The product of its digits is 483840, while the sum is 48.

The square root of 3117824985 is about 55837.4872733364. The cubic root of 3117824985 is about 1460.8890851986.

The spelling of 3117824985 in words is "three billion, one hundred seventeen million, eight hundred twenty-four thousand, nine hundred eighty-five".