2143471132 has 24 divisors (see below), whose sum is σ = 4100996592. Its totient is φ = 972182400.

The previous prime is 2143471117. The next prime is 2143471133. The reversal of 2143471132 is 2311743412.

It is a super-2 number, since 2×2143471132² = 9188936987434722848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2143471132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143471133) 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 7 ways as a sum of consecutive naturals, for example, 32553 + ... + 73120.

It is an arithmetic number, because the mean of its divisors is an integer number (170874858).

Almost surely, 2^2143471132 is an apocalyptic number.

2143471132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2143471132 is a deficient number, since it is larger than the sum of its proper divisors (1957525460).

2143471132 is a wasteful number, since it uses less digits than its factorization.

2143471132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106149 (or 106147 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 2143471132 is about 46297.6363543540. The cubic root of 2143471132 is about 1289.3551114331.

The spelling of 2143471132 in words is "two billion, one hundred forty-three million, four hundred seventy-one thousand, one hundred thirty-two".