2131344132 has 12 divisors (see below), whose sum is σ = 4973136336. Its totient is φ = 710448040.

The previous prime is 2131344121. The next prime is 2131344139. The reversal of 2131344132 is 2314431312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2131344139) 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, 88805994 + ... + 88806017.

It is an arithmetic number, because the mean of its divisors is an integer number (414428028).

Almost surely, 2^2131344132 is an apocalyptic number.

It is an amenable number.

2131344132 is an abundant number, since it is smaller than the sum of its proper divisors (2841792204).

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

2131344132 is a wasteful number, since it uses less digits than its factorization.

2131344132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177612018 (or 177612016 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 2131344132 is about 46166.4827770104. The cubic root of 2131344132 is about 1286.9189398882.

Adding to 2131344132 its reverse (2314431312), we get a palindrome (4445775444).

The spelling of 2131344132 in words is "two billion, one hundred thirty-one million, three hundred forty-four thousand, one hundred thirty-two".