3081530112 has 72 divisors (see below), whose sum is σ = 8235889200. Its totient is φ = 1022853120.

The previous prime is 3081530077. The next prime is 3081530119. The reversal of 3081530112 is 2110351803.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (3081530119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176764 + ... + 193412.

It is an arithmetic number, because the mean of its divisors is an integer number (114387350).

Almost surely, 2^3081530112 is an apocalyptic number.

3081530112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3081530112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4117944600).

3081530112 is an abundant number, since it is smaller than the sum of its proper divisors (5154359088).

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

3081530112 is a wasteful number, since it uses less digits than its factorization.

3081530112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16909 (or 16895 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 3081530112 is about 55511.5313425958. The cubic root of 3081530112 is about 1455.1981657562.

Adding to 3081530112 its reverse (2110351803), we get a palindrome (5191881915).

The spelling of 3081530112 in words is "three billion, eighty-one million, five hundred thirty thousand, one hundred twelve".