13312432143 has 6 divisors (see below), whose sum is σ = 19229068664. Its totient is φ = 8874954756.

The previous prime is 13312432141. The next prime is 13312432153. The reversal of 13312432143 is 34123421331.

It is a happy number.

13312432143 is a `hidden beast` number, since 1 + 331 + 2 + 4 + 321 + 4 + 3 = 666.

It is not a de Polignac number, because 13312432143 - 2¹ = 13312432141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312432141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 739579555 + ... + 739579572.

Almost surely, 2^13312432143 is an apocalyptic number.

13312432143 is a deficient number, since it is larger than the sum of its proper divisors (5916636521).

13312432143 is a wasteful number, since it uses less digits than its factorization.

13312432143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479159133 (or 1479159130 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 13312432143 its reverse (34123421331), we get a palindrome (47435853474).

The spelling of 13312432143 in words is "thirteen billion, three hundred twelve million, four hundred thirty-two thousand, one hundred forty-three".