131000421130120 has 16 divisors (see below), whose sum is σ = 294750947542860. Its totient is φ = 52400168452032.

The previous prime is 131000421129971. The next prime is 131000421130129. The reversal of 131000421130120 is 21031124000131.

It can be written as a sum of positive squares in 2 ways, for example, as 124177636824004 + 6822784306116 = 11143502^2 + 2612046^2 .

It is a super-3 number, since 3×131000421130120³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (131000421130129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1637505264087 + ... + 1637505264166.

Almost surely, 2^{131000421130120} is an apocalyptic number.

131000421130120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131000421130120 is an abundant number, since it is smaller than the sum of its proper divisors (163750526412740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131000421130120 is a wasteful number, since it uses less digits than its factorization.

131000421130120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275010528264 (or 3275010528260 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 131000421130120 its reverse (21031124000131), we get a palindrome (152031545130251).

The spelling of 131000421130120 in words is "one hundred thirty-one trillion, four hundred twenty-one million, one hundred thirty thousand, one hundred twenty".