131131000204 has 12 divisors (see below), whose sum is σ = 229599221544. Its totient is φ = 65531222624.

The previous prime is 131131000201. The next prime is 131131000237. The reversal of 131131000204 is 402000131131.

It is not an unprimeable number, because it can be changed into a prime (131131000201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8560762 + ... + 8576065.

It is an arithmetic number, because the mean of its divisors is an integer number (19133268462).

Almost surely, 2^131131000204 is an apocalyptic number.

It is an amenable number.

131131000204 is a deficient number, since it is larger than the sum of its proper divisors (98468221340).

131131000204 is a wasteful number, since it uses less digits than its factorization.

131131000204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17138744 (or 17138742 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131131000204 its reverse (402000131131), we get a palindrome (533131131335).

The spelling of 131131000204 in words is "one hundred thirty-one billion, one hundred thirty-one million, two hundred four", and thus it is an aban number.