20144131043 has 4 divisors (see below), whose sum is σ = 20165630520. Its totient is φ = 20122631568.

The previous prime is 20144130989. The next prime is 20144131057. The reversal of 20144131043 is 34013144102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20144131043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20144131093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10748333 + ... + 10750206.

It is an arithmetic number, because the mean of its divisors is an integer number (5041407630).

Almost surely, 2^20144131043 is an apocalyptic number.

20144131043 is a deficient number, since it is larger than the sum of its proper divisors (21499477).

20144131043 is an equidigital number, since it uses as much as digits as its factorization.

20144131043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21499476.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20144131043 its reverse (34013144102), we get a palindrome (54157275145).

The spelling of 20144131043 in words is "twenty billion, one hundred forty-four million, one hundred thirty-one thousand, forty-three".