131423131421192 has 32 divisors (see below), whose sum is σ = 265381205304600. Its totient is φ = 60655098561024.

The previous prime is 131423131421191. The next prime is 131423131421201. The reversal of 131423131421192 is 291124131324131.

It can be written as a sum of positive squares in 4 ways, for example, as 129215191005796 + 2207940415396 = 11367286^2 + 1485914^2 .

It is not an unprimeable number, because it can be changed into a prime (131423131421191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14369933 + ... + 21664284.

Almost surely, 2^{131423131421192} is an apocalyptic number.

It is an amenable number.

131423131421192 is an abundant number, since it is smaller than the sum of its proper divisors (133958073883408).

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

131423131421192 is a wasteful number, since it uses less digits than its factorization.

131423131421192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36069305 (or 36069301 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The spelling of 131423131421192 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, one hundred thirty-one million, four hundred twenty-one thousand, one hundred ninety-two".