20142131543 has 16 divisors (see below), whose sum is σ = 20551090560. Its totient is φ = 19736662176.

The previous prime is 20142131533. The next prime is 20142131551. The reversal of 20142131543 is 34513124102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20142131543 - 2¹⁴ = 20142115159 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 (20142131533) 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, 18161873 + ... + 18162981.

It is an arithmetic number, because the mean of its divisors is an integer number (1284443160).

Almost surely, 2^20142131543 is an apocalyptic number.

20142131543 is a deficient number, since it is larger than the sum of its proper divisors (408959017).

20142131543 is a wasteful number, since it uses less digits than its factorization.

20142131543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 20142131543 its reverse (34513124102), we get a palindrome (54655255645).

The spelling of 20142131543 in words is "twenty billion, one hundred forty-two million, one hundred thirty-one thousand, five hundred forty-three".