131001243003 has 8 divisors (see below), whose sum is σ = 194075915600. Its totient is φ = 87334161984.

The previous prime is 131001242971. The next prime is 131001243097. The reversal of 131001243003 is 300342100131.

It is not a de Polignac number, because 131001243003 - 2⁵ = 131001242971 is a prime.

It is a super-2 number, since 2×131001243003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131001243203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2425948918 + ... + 2425948971.

It is an arithmetic number, because the mean of its divisors is an integer number (24259489450).

Almost surely, 2^131001243003 is an apocalyptic number.

131001243003 is a deficient number, since it is larger than the sum of its proper divisors (63074672597).

131001243003 is an equidigital number, since it uses as much as digits as its factorization.

131001243003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4851897898 (or 4851897892 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 131001243003 its reverse (300342100131), we get a palindrome (431343343134).

The spelling of 131001243003 in words is "one hundred thirty-one billion, one million, two hundred forty-three thousand, three".