2131201432 has 16 divisors (see below), whose sum is σ = 4088933640. Its totient is φ = 1040819136.

The previous prime is 2131201427. The next prime is 2131201433. The reversal of 2131201432 is 2341021312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131201433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3097333 + ... + 3098020.

Almost surely, 2^2131201432 is an apocalyptic number.

It is an amenable number.

2131201432 is a deficient number, since it is larger than the sum of its proper divisors (1957732208).

2131201432 is a wasteful number, since it uses less digits than its factorization.

2131201432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6195402 (or 6195398 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2131201432 is about 46164.9372576201. The cubic root of 2131201432 is about 1286.8902181958.

Adding to 2131201432 its reverse (2341021312), we get a palindrome (4472222744).

The spelling of 2131201432 in words is "two billion, one hundred thirty-one million, two hundred one thousand, four hundred thirty-two".