3081581140 has 24 divisors (see below), whose sum is σ = 7059622752. Its totient is φ = 1120574880.

The previous prime is 3081581119. The next prime is 3081581207. The reversal of 3081581140 is 411851803.

It is a super-2 number, since 2×3081581140² = 18992284644807399200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7003374 + ... + 7003813.

It is an arithmetic number, because the mean of its divisors is an integer number (294150948).

Almost surely, 2^3081581140 is an apocalyptic number.

It is an amenable number.

3081581140 is an abundant number, since it is smaller than the sum of its proper divisors (3978041612).

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

3081581140 is a wasteful number, since it uses less digits than its factorization.

3081581140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14007207 (or 14007205 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 3081581140 is about 55511.9909569095. The cubic root of 3081581140 is about 1455.2061980691.

The spelling of 3081581140 in words is "three billion, eighty-one million, five hundred eighty-one thousand, one hundred forty".