2005000131 has 8 divisors (see below), whose sum is σ = 2673720000. Its totient is φ = 1336473512.

The previous prime is 2005000097. The next prime is 2005000139. The reversal of 2005000131 is 1310005002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2005000131 - 2¹⁰ = 2004999107 is a prime.

It is a super-2 number, since 2×2005000131² = 8040051050620034322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2005000139) 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 7 ways as a sum of consecutive naturals, for example, 22065 + ... + 67058.

It is an arithmetic number, because the mean of its divisors is an integer number (334215000).

Almost surely, 2^2005000131 is an apocalyptic number.

2005000131 is a deficient number, since it is larger than the sum of its proper divisors (668719869).

2005000131 is an equidigital number, since it uses as much as digits as its factorization.

2005000131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96625.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 2005000131 is about 44777.2278172734. The cubic root of 2005000131 is about 1260.9701378336.

Adding to 2005000131 its reverse (1310005002), we get a palindrome (3315005133).

The spelling of 2005000131 in words is "two billion, five million, one hundred thirty-one", and thus it is an aban number.