131232140421232 has 20 divisors (see below), whose sum is σ = 254264206663576. Its totient is φ = 65615570959680.

The previous prime is 131232140421227. The next prime is 131232140421271. The reversal of 131232140421232 is 232124041232131.

It is a junction number, because it is equal to n+sod(n) for n = 131232140421194 and 131232140421203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29030019 + ... + 33244642.

Almost surely, 2^{131232140421232} is an apocalyptic number.

It is an amenable number.

131232140421232 is a deficient number, since it is larger than the sum of its proper divisors (123032066242344).

131232140421232 is a wasteful number, since it uses less digits than its factorization.

131232140421232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62406376 (or 62406370 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 131232140421232 its reverse (232124041232131), we get a palindrome (363356181653363).

The spelling of 131232140421232 in words is "one hundred thirty-one trillion, two hundred thirty-two billion, one hundred forty million, four hundred twenty-one thousand, two hundred thirty-two".