3031081 has 3 divisors (see below), whose sum is σ = 3032823. Its totient is φ = 3029340.

The previous prime is 3031079. The next prime is 3031103. The reversal of 3031081 is 1801303.

The square root of 3031081 is 1741.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 3481 + 3027600 = 59^2 + 1740^2 .

It is not a de Polignac number, because 3031081 - 2¹ = 3031079 is a prime.

It is a super-2 number, since 2×3031081² = 18374904057122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3031001) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 871 + ... + 2611.

It is an arithmetic number, because the mean of its divisors is an integer number (1010941).

Almost surely, 2^3031081 is an apocalyptic number.

3031081 is the 1741-st square number.

3031081 is the 871-st centered octagonal number.

It is an amenable number.

3031081 is a deficient number, since it is larger than the sum of its proper divisors (1742).

3031081 is an frugal number, since it uses more digits than its factorization.

3031081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3482 (or 1741 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The cubic root of 3031081 is about 144.7213196727.

Multiplying 3031081 by its sum of digits (16), we get a square (48497296 = 6964²).

Adding to 3031081 its reverse (1801303), we get a palindrome (4832384).

The spelling of 3031081 in words is "three million, thirty-one thousand, eighty-one".