20132431143 has 16 divisors (see below), whose sum is σ = 29291068800. Its totient is φ = 12198334880.

The previous prime is 20132431133. The next prime is 20132431147. The reversal of 20132431143 is 34113423102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20132431143 - 2¹² = 20132427047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132431147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55168 + ... + 208106.

It is an arithmetic number, because the mean of its divisors is an integer number (1830691800).

Almost surely, 2^20132431143 is an apocalyptic number.

20132431143 is a deficient number, since it is larger than the sum of its proper divisors (9158637657).

20132431143 is a wasteful number, since it uses less digits than its factorization.

20132431143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156942.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20132431143 its reverse (34113423102), we get a palindrome (54245854245).

The spelling of 20132431143 in words is "twenty billion, one hundred thirty-two million, four hundred thirty-one thousand, one hundred forty-three".