131544414012 has 48 divisors (see below), whose sum is σ = 334864252800. Its totient is φ = 39859095360.

The previous prime is 131544413977. The next prime is 131544414077. The reversal of 131544414012 is 210414445131.

It is a super-2 number, since 2×131544414012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2500314 + ... + 2552382.

It is an arithmetic number, because the mean of its divisors is an integer number (6976338600).

Almost surely, 2^131544414012 is an apocalyptic number.

131544414012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131544414012 is an abundant number, since it is smaller than the sum of its proper divisors (203319838788).

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

131544414012 is a wasteful number, since it uses less digits than its factorization.

131544414012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71226 (or 71224 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 131544414012 its reverse (210414445131), we get a palindrome (341958859143).

The spelling of 131544414012 in words is "one hundred thirty-one billion, five hundred forty-four million, four hundred fourteen thousand, twelve".