131244110988 has 12 divisors (see below), whose sum is σ = 306236259000. Its totient is φ = 43748036992.

The previous prime is 131244110981. The next prime is 131244111001. The reversal of 131244110988 is 889011442131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×131244110988² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131244110981) 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 3 ways as a sum of consecutive naturals, for example, 5468504613 + ... + 5468504636.

It is an arithmetic number, because the mean of its divisors is an integer number (25519688250).

Almost surely, 2^131244110988 is an apocalyptic number.

It is an amenable number.

131244110988 is an abundant number, since it is smaller than the sum of its proper divisors (174992148012).

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

131244110988 is a wasteful number, since it uses less digits than its factorization.

131244110988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10937009256 (or 10937009254 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The spelling of 131244110988 in words is "one hundred thirty-one billion, two hundred forty-four million, one hundred ten thousand, nine hundred eighty-eight".