2143431032 has 32 divisors (see below), whose sum is σ = 4047667200. Its totient is φ = 1064076000.

The previous prime is 2143431029. The next prime is 2143431079. The reversal of 2143431032 is 2301343412.

It is a junction number, because it is equal to n+sod(n) for n = 2143430989 and 2143431007.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1097657 + ... + 1099607.

It is an arithmetic number, because the mean of its divisors is an integer number (126489600).

Almost surely, 2^2143431032 is an apocalyptic number.

It is an amenable number.

2143431032 is a deficient number, since it is larger than the sum of its proper divisors (1904236168).

2143431032 is a wasteful number, since it uses less digits than its factorization.

2143431032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867 (or 2863 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2143431032 is about 46297.2032848638. The cubic root of 2143431032 is about 1289.3470709762.

Adding to 2143431032 its reverse (2301343412), we get a palindrome (4444774444).

The spelling of 2143431032 in words is "two billion, one hundred forty-three million, four hundred thirty-one thousand, thirty-two".