131544002003 has 4 divisors (see below), whose sum is σ = 131678643720. Its totient is φ = 131409360288.

The previous prime is 131544001987. The next prime is 131544002071. The reversal of 131544002003 is 300200445131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300200445131 = 24107 ⋅12452833.

It is a cyclic number.

It is not a de Polignac number, because 131544002003 - 2⁴ = 131544001987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131544002003.

It is not an unprimeable number, because it can be changed into a prime (131544032003) 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, 67319393 + ... + 67321346.

It is an arithmetic number, because the mean of its divisors is an integer number (32919660930).

Almost surely, 2^131544002003 is an apocalyptic number.

131544002003 is a deficient number, since it is larger than the sum of its proper divisors (134641717).

131544002003 is an equidigital number, since it uses as much as digits as its factorization.

131544002003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134641716.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 131544002003 its reverse (300200445131), we get a palindrome (431744447134).

The spelling of 131544002003 in words is "one hundred thirty-one billion, five hundred forty-four million, two thousand, three".