131232342140 has 48 divisors (see below), whose sum is σ = 276900047424. Its totient is φ = 52243276800.

The previous prime is 131232342139. The next prime is 131232342149. The reversal of 131232342140 is 41243232131.

131232342140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131232342149) 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, 8895170 + ... + 8909910.

It is an arithmetic number, because the mean of its divisors is an integer number (5768750988).

Almost surely, 2^131232342140 is an apocalyptic number.

131232342140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131232342140 is an abundant number, since it is smaller than the sum of its proper divisors (145667705284).

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

131232342140 is a wasteful number, since it uses less digits than its factorization.

131232342140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16838 (or 16836 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 131232342140 its reverse (41243232131), we get a palindrome (172475574271).

The spelling of 131232342140 in words is "one hundred thirty-one billion, two hundred thirty-two million, three hundred forty-two thousand, one hundred forty".