131232404142 has 96 divisors (see below), whose sum is σ = 326889997824. Its totient is φ = 37272312000.

The previous prime is 131232404137. The next prime is 131232404153. The reversal of 131232404142 is 241404232131.

131232404142 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 3 + 240 + 414 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26503767 + ... + 26508717.

It is an arithmetic number, because the mean of its divisors is an integer number (3405104144).

Almost surely, 2^131232404142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131232404142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163444998912).

131232404142 is an abundant number, since it is smaller than the sum of its proper divisors (195657593682).

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

131232404142 is a wasteful number, since it uses less digits than its factorization.

131232404142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174 (or 6171 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 131232404142 its reverse (241404232131), we get a palindrome (372636636273).

The spelling of 131232404142 in words is "one hundred thirty-one billion, two hundred thirty-two million, four hundred four thousand, one hundred forty-two".