131020140044003 has 4 divisors (see below), whose sum is σ = 149737302907440. Its totient is φ = 112302977180568.

The previous prime is 131020140043957. The next prime is 131020140044009. The reversal of 131020140044003 is 300440041020131.

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

It is a cyclic number.

It is not a de Polignac number, because 131020140044003 - 2⁶ = 131020140043939 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 131020140044003.

It is not an unprimeable number, because it can be changed into a prime (131020140044009) 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, 9358581431708 + ... + 9358581431721.

It is an arithmetic number, because the mean of its divisors is an integer number (37434325726860).

Almost surely, 2^{131020140044003} is an apocalyptic number.

131020140044003 is a deficient number, since it is larger than the sum of its proper divisors (18717162863437).

131020140044003 is an equidigital number, since it uses as much as digits as its factorization.

131020140044003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18717162863436.

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

Adding to 131020140044003 its reverse (300440041020131), we get a palindrome (431460181064134).

The spelling of 131020140044003 in words is "one hundred thirty-one trillion, twenty billion, one hundred forty million, forty-four thousand, three".