2131144 has 16 divisors (see below), whose sum is σ = 4014720. Its totient is φ = 1060560.

The previous prime is 2131141. The next prime is 2131193. The reversal of 2131144 is 4411312.

It is not an unprimeable number, because it can be changed into a prime (2131141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1677 + ... + 2659.

It is an arithmetic number, because the mean of its divisors is an integer number (250920).

2^2131144 is an apocalyptic number.

It is an amenable number.

2131144 is a deficient number, since it is larger than the sum of its proper divisors (1883576).

2131144 is a wasteful number, since it uses less digits than its factorization.

2131144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260 (or 1256 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 2131144 is about 1459.8438272637. The cubic root of 2131144 is about 128.6878658309.

Adding to 2131144 its reverse (4411312), we get a palindrome (6542456).

The spelling of 2131144 in words is "two million, one hundred thirty-one thousand, one hundred forty-four".