3115310040 has 96 divisors (see below), whose sum is σ = 10263539520. Its totient is φ = 819362304.

The previous prime is 3115310021. The next prime is 3115310041. The reversal of 3115310040 is 400135113.

3115310040 is a `hidden beast` number, since 311 + 5 + 310 + 0 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3115309995 and 3115310022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115310041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32992 + ... + 85551.

It is an arithmetic number, because the mean of its divisors is an integer number (106911870).

Almost surely, 2^3115310040 is an apocalyptic number.

3115310040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3115310040 is an abundant number, since it is smaller than the sum of its proper divisors (7148229480).

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

3115310040 is a wasteful number, since it uses less digits than its factorization.

3115310040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118633 (or 118626 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 3115310040 is about 55814.9625100653. The cubic root of 3115310040 is about 1460.4961783875.

Adding to 3115310040 its reverse (400135113), we get a palindrome (3515445153).

The spelling of 3115310040 in words is "three billion, one hundred fifteen million, three hundred ten thousand, forty".