2002506244131 has 4 divisors (see below), whose sum is σ = 2670008325512. Its totient is φ = 1335004162752.

The previous prime is 2002506244111. The next prime is 2002506244147. The reversal of 2002506244131 is 1314426052002.

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

It is not a de Polignac number, because 2002506244131 - 2²⁵ = 2002472689699 is a prime.

It is a super-2 number, since 2×2002506244131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002506244111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333751040686 + ... + 333751040691.

It is an arithmetic number, because the mean of its divisors is an integer number (667502081378).

Almost surely, 2^{2002506244131} is an apocalyptic number.

2002506244131 is a deficient number, since it is larger than the sum of its proper divisors (667502081381).

2002506244131 is an equidigital number, since it uses as much as digits as its factorization.

2002506244131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667502081380.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 2002506244131 in words is "two trillion, two billion, five hundred six million, two hundred forty-four thousand, one hundred thirty-one".