131043232140 has 48 divisors (see below), whose sum is σ = 388504644192. Its totient is φ = 32889281536.

The previous prime is 131043232109. The next prime is 131043232141. The reversal of 131043232140 is 41232340131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131043232140.

It is not an unprimeable number, because it can be changed into a prime (131043232141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64235859 + ... + 64237898.

It is an arithmetic number, because the mean of its divisors is an integer number (8093846754).

Almost surely, 2^131043232140 is an apocalyptic number.

131043232140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131043232140 is an abundant number, since it is smaller than the sum of its proper divisors (257461412052).

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

131043232140 is a wasteful number, since it uses less digits than its factorization.

131043232140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128473786 (or 128473784 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 131043232140 its reverse (41232340131), we get a palindrome (172275572271).

The spelling of 131043232140 in words is "one hundred thirty-one billion, forty-three million, two hundred thirty-two thousand, one hundred forty".