131423421241000 has 256 divisors, whose sum is σ = 352724899737600. Its totient is φ = 44897931936000.

The previous prime is 131423421240997. The next prime is 131423421241037. The reversal of 131423421241000 is 142124324131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 131423421241000.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4353627907 + ... + 4353658093.

It is an arithmetic number, because the mean of its divisors is an integer number (1377831639600).

Almost surely, 2^{131423421241000} is an apocalyptic number.

131423421241000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131423421241000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176362449868800).

131423421241000 is an abundant number, since it is smaller than the sum of its proper divisors (221301478496600).

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

131423421241000 is a wasteful number, since it uses less digits than its factorization.

131423421241000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32425 (or 32411 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 131423421241000 its reverse (142124324131), we get a palindrome (131565545565131).

The spelling of 131423421241000 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, four hundred twenty-one million, two hundred forty-one thousand".