131011332012 has 72 divisors (see below), whose sum is σ = 374654210112. Its totient is φ = 39700400400.

The previous prime is 131011331999. The next prime is 131011332019. The reversal of 131011332012 is 210233110131.

131011332012 is a `hidden beast` number, since 1 + 310 + 11 + 332 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (131011332019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6115914 + ... + 6137297.

It is an arithmetic number, because the mean of its divisors is an integer number (5203530696).

Almost surely, 2^131011332012 is an apocalyptic number.

131011332012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131011332012 is an abundant number, since it is smaller than the sum of its proper divisors (243642878100).

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

131011332012 is a wasteful number, since it uses less digits than its factorization.

131011332012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12253241 (or 12253227 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 131011332012 its reverse (210233110131), we get a palindrome (341244442143).

The spelling of 131011332012 in words is "one hundred thirty-one billion, eleven million, three hundred thirty-two thousand, twelve".