2131124144 has 20 divisors (see below), whose sum is σ = 4171623624. Its totient is φ = 1054576128.

The previous prime is 2131124119. The next prime is 2131124147. The reversal of 2131124144 is 4414211312.

It is a super-3 number, since 3×2131124144³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2131124147) 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, 685022 + ... + 688125.

Almost surely, 2^2131124144 is an apocalyptic number.

It is an amenable number.

2131124144 is a deficient number, since it is larger than the sum of its proper divisors (2040499480).

2131124144 is a wasteful number, since it uses less digits than its factorization.

2131124144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373252 (or 1373246 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 2131124144 is about 46164.1001645218. The cubic root of 2131124144 is about 1286.8746616539.

Adding to 2131124144 its reverse (4414211312), we get a palindrome (6545335456).

The spelling of 2131124144 in words is "two billion, one hundred thirty-one million, one hundred twenty-four thousand, one hundred forty-four".