2131441232 has 20 divisors (see below), whose sum is σ = 4372589556. Its totient is φ = 1003031040.

The previous prime is 2131441219. The next prime is 2131441253. The reversal of 2131441232 is 2321441312.

It can be written as a sum of positive squares in 2 ways, for example, as 1548894736 + 582546496 = 39356^2 + 24136^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2131441198 and 2131441207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3917819 + ... + 3918362.

Almost surely, 2^2131441232 is an apocalyptic number.

It is an amenable number.

2131441232 is an abundant number, since it is smaller than the sum of its proper divisors (2241148324).

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

2131441232 is a wasteful number, since it uses less digits than its factorization.

2131441232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7836206 (or 7836200 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 2131441232 is about 46167.5343937707. The cubic root of 2131441232 is about 1286.9384827875.

Adding to 2131441232 its reverse (2321441312), we get a palindrome (4452882544).

The spelling of 2131441232 in words is "two billion, one hundred thirty-one million, four hundred forty-one thousand, two hundred thirty-two".