3081150 has 72 divisors (see below), whose sum is σ = 8530704. Its totient is φ = 796800.

The previous prime is 3081139. The next prime is 3081151. The reversal of 3081150 is 511803.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3081151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18367 + ... + 18533.

It is an arithmetic number, because the mean of its divisors is an integer number (118482).

Almost surely, 2^3081150 is an apocalyptic number.

3081150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3081150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4265352).

3081150 is an abundant number, since it is smaller than the sum of its proper divisors (5449554).

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

3081150 is a wasteful number, since it uses less digits than its factorization.

3081150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 3081150 is about 1755.3204835585. The cubic root of 3081150 is about 145.5138329570.

Adding to 3081150 its reverse (511803), we get a palindrome (3592953).

The spelling of 3081150 in words is "three million, eighty-one thousand, one hundred fifty".